diff options
author | Bruce Momjian | 2005-05-20 15:53:52 +0000 |
---|---|---|
committer | Bruce Momjian | 2005-05-20 15:53:52 +0000 |
commit | 29167dd3d765e080233294ce26add0b7d3a23133 (patch) | |
tree | 9eb5a47aed32bbdcc30e203245bf2ef29befa3ec | |
parent | 621d5e1d72fb4a1d6af25a7c77d840550a01d882 (diff) |
Update Japanese FAQ.
Jun Kuwamura
-rw-r--r-- | doc/FAQ_japanese | 2158 | ||||
-rw-r--r-- | doc/src/FAQ/FAQ_japanese.html | 2193 |
2 files changed, 1744 insertions, 2607 deletions
diff --git a/doc/FAQ_japanese b/doc/FAQ_japanese index b271d650976..1b4829d4a81 100644 --- a/doc/FAQ_japanese +++ b/doc/FAQ_japanese @@ -1,225 +1,152 @@ +PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä¤È¤½¤Î²òÅú(FAQ) - PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä¤È¤½¤Î²òÅú(FAQ) - - ¸¶Ê¸ºÇ½ª¹¹¿·Æü: Sun Jan 9 14:44:04 EST 2005 - - ¸½ºß¤Î°Ý»ý´ÉÍý¼Ô: Bruce Momjian (pgman@candle.pha.pa.us) - Maintainer of Japanese Translation: Jun Kuwamura (juk at - PostgreSQL.jp) - - ¤³¤Îʸ½ñ¤ÎºÇ¿·ÈÇ¤Ï - http://www.postgresql.org/files/documentation/faqs/FAQ.html - ¤Ç¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - ¥×¥é¥Ã¥È¥Û¡¼¥à¤ËÆÃͤμÁÌä¤Ë¤Ä¤¤¤Æ¤Ï: - http://www.postgresql.org/docs/faq/ - ¤Ë²óÅú¤¬¤¢¤ê¤Þ¤¹¡£ -(°Ê²¼¡¢Ìõ¼Ô¤Ë¤è¤ëÃí¼á¤ò [ÌõÃí¡§ ¤È ] ¤È¤Ç°Ï¤ó¤Çµ¤·¤Þ¤¹¡£) -[ÌõÃí¡§ - ÆüËܸìÈÇÀ½ºî¤Ë¤Ä¤¤¤Æ¤Î¥á¥â¤ÏºÇ¸åÈø¤Ø°Üư¤·¤Þ¤·¤¿¡£ +¸¶Ê¸ºÇ½ª¹¹¿·Æü: Mon May 9 13:15:04 EDT 2005 + +¸½ºß¤Î°Ý»ý´ÉÍý¼Ô: Bruce Momjian (pgman at candle.pha.pa.us) +Maintainer of Japanese Translation: Jun Kuwamura (juk at PostgreSQL.jp) + +¤³¤Îʸ½ñ¤ÎºÇ¿·ÈÇ¤Ï http://www.postgresql.org/docs/faqs.FAQ.html ¤Ç¸«¤ë¤³¤È¤¬¤Ç +¤¤Þ¤¹¡£ - ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï ËÜ²È "Docs" ¤Î "Frequently Asked Questions" ¤Î - ¤È¤³¤í¤Ë "Japanese FAQ" ¤È¤¤¤¦¸«½Ð¤Ç¤¢¤ê¤Þ¤¹¡£¤Þ¤¿¡¢°Ê²¼¤Î¥µ¥¤¥È¤Ë¤â - ¤¢¤ê¤Þ¤¹¡£ - http://www.PostgreSQL.jp/wg/jpugdoc/ - http://www.rccm.co.jp/~juk/pgsql/ - http://www.linux.or.jp/JF/ +¥×¥é¥Ã¥È¥Û¡¼¥à¤ËÆÃͤμÁÌä¤Ë¤Ä¤¤¤Æ¤Ï: http://www.postgresql.org/docs/faq/ +¤Ë²óÅú¤¬¤¢¤ê¤Þ¤¹¡£ - ¤³¤ÎÏÂÌõ¤Ë¤Ä¤¤¤Æ¤ªµ¤¤Å¤¤ÎÅÀ¤Ï(juk at PostgreSQL.jp)¤Þ¤Ç¥á¡¼¥ë¤Ç¤ª´ó¤»²¼¤µ¤¤¡£ +(°Ê²¼¡¢Ìõ¼Ô¤Ë¤è¤ëÃí¼á¤ò [ÌõÃí¡§ ¤È ] ¤È¤Ç°Ï¤ó¤Çµ¤·¤Þ¤¹¡£) +[ÌõÃí¡§ + ÆüËܸìÈǤÎÀ½ºî¤Ë¤Ä¤¤¤Æ¤Ï¡¢¤³¤Îʸ½ñ¤ÎºÇ¸å¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£ - 2005ǯ01·î12Æü ·¬Â¼ ½á + 2005ǯ05·î18Æü ·¬Â¼ ½á ] - _________________________________________________________________ - - °ìÈÌŪ¤Ê¼ÁÌä - - 1.1) PostgreSQL¤È¤Ï²¿¤Ç¤¹¤«¡© ²¿¤ÈÆÉ¤ß¤Þ¤¹¤«¡© - 1.2) PostgreSQL¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡© - 1.3) PostgreSQL¤Îưºî¤¹¤ëUnix¥×¥é¥Ã¥È¥Û¡¼¥à¤Ï¡© - 1.4) Unix°Ê³°¤Î°Ü¿¢ÈǤǻȤ¨¤ë¤â¤Î¤Ï¡© - 1.5) PostgreSQL¤Ï¤É¤³¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¤«¡© - 1.6) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡© - 1.7) ºÇ¿·ÈǤϤɤì¤Ç¤¹¤« - 1.8) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡© - 1.9) ´ûÃΤΥХ°¤ä̤¤À̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡© - 1.10) SQL¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡© - 1.11) PostgreSQL¤ÏÀ¾Îñ2000ǯÌäÂê(Y2K)¤ËÂбþ¤·¤Æ¤¤¤Þ¤¹¤«¡© - 1.12) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡© - 1.13) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡© - 1.14) ¾¤ÎDBMS¤ÈÈæ¤Ù¤ÆPostgreSQL¤Ï¤É¤¦¤Ê¤Î¤Ç¤¹¤«¡© - 1.15) PostgreSQL¤ò»ñ¶âÌ̤DZç½õ¤¹¤ë¤Ë¤Ï¤É¤¦¤¹¤ì¤Ð¤è¤¤¤Ç¤¹¤«¡© - - ¥æ¡¼¥¶¡¼¡¦¥¯¥é¥¤¥¢¥ó¥È¤Î¼ÁÌä - - 2.1) PostgreSQL ¤Î ODBC ¥É¥é¥¤¥Ð¡¼¤Ï¤¢¤ê¤Þ¤¹¤«¡© - 2.2) PostgreSQL ¤ò Web - ¥Ú¡¼¥¸¤ÈÏ¢·È¤µ¤»¤ë¤Ë¤Ï¤É¤ó¤Ê¥Ä¡¼¥ë¤¬¤¢¤ê¤Þ¤¹¤«¡© - 2.3) PostgreSQL ¤Ë¥°¥é¥Õ¥£¥«¥ë¡¦¥æ¡¼¥¶¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï¤¢¤ê¤Þ¤¹¤«¡© - 2.4) ¤É¤Î¤è¤¦¤Ê¸À¸ì¤Ç PostgreSQL ¤ÈÄÌ¿®¤Ç¤¤¹¤«¡© - - ´ÉÍý¾å¤Î¼ÁÌä - - 3.1) ¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð /usr/local/pgsql °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤ - ¤Þ¤¹¤«¡© - 3.2) postmaster ¤òÁö¤é¤»¤ë¤È¡¢ Bad System Call - ¤È¤«¥³¥¢¡¦¥À¥ó¥×¤·¤¿¤È¤Î¥á¥Ã¥»¡¼¥¸¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© - 3.3) postmaster ¤òÁö¤é¤»¤è¤¦¤È¤¹¤ë¤È¡¢ IpcMemoryCreate - ¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© - 3.4) postmaster¤òÁö¤é¤»¤è¤¦¤È¤¹¤ë¤È¡¢ IpcSemaphoreCreate - ¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© - 3.5) ¾¤Î¥Û¥¹¥È¤«¤é¤ÎÀܳ¤Ï¤É¤Î¤è¤¦¤ËÀ©¸æ¤·¤Þ¤¹¤«¡© - 3.6) ¤è¤êÎɤ¤À - ǽ¤òÆÀ¤ë¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥¨¥ó¥¸¥ó¤ò¤É¤Î¤è¤¦¤ËÄ´À°¤¹¤ì¤ÐÎɤ¤¤Ç¤¹ - ¤«¡© - 3.7) ¤É¤Î¤è¤¦¤Ê¥Ç¥Ð¥°µ¡Ç½¤¬»È¤¨¤Þ¤¹¤«¡© - 3.8) Àܳ¤·¤è¤¦¤È¤¹¤ë¤È¤¤Ë 'Sorry, too many clients' - ¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - 3.9) pgsql_tmp ¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¤Ë¤Ï²¿¤¬¤¢¤ê¤Þ¤¹¤«¡© - 3.10) - PostgreSQL¤Î¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¥¢¥Ã¥×¥Ç¡¼¥È¤¹¤ë¤Î¤Ë¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ò¤· - ¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - 3.11) ¥Ï¡¼¥É¥¦¥§¥¢¤Ë¤Ï¤É¤ó¤Ê¥³¥ó¥Ô¥å¡¼¥¿¤ò»È¤¨¤Ð¤è¤¤¤Ç¤¹¤«¡© - - Áàºî¾å¤Î¼ÁÌä - - 4.1) ¥Ð¥¤¥Ê¥ê¡¦¥«¡¼¥½¥ë¤ÈÄ̾參¡¼¥½¥ë¤È¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© - 4.2) ºÇ½é¤Î¿ô¥í¥¦¤Î¤ß¤ò select ¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© ¥é¥ó¥À¥à¤Ê¥í¥¦¡© - 4.3) ¥Æ¡¼¥Ö¥ë¤ä¤½¤Î¾¤Î¾ðÊó¤Î¥ê¥¹¥È¤ò psql ¤Ç¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - 4.4) - ¥Æ¡¼¥Ö¥ë¤«¤é¥«¥é¥à¤Îºï½ü¡¢¤¢¤ë¤¤¤Ï¡¢¥Ç¡¼¥¿·¿¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤« - ¡© - 4.5) ¥í¥¦¡¢¥Æ¡¼¥Ö¥ë¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º¤Ï¡© - 4.6) °ìÈÌŪ¤Ê¥Æ¥ - ¥¹¥È¥Õ¥¡¥¤¥ë¤«¤é¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¥£¥¹¥¯ÍÆÎ̤ϤɤΠ- ¤¯¤é¤¤É¬ÍפǤ¹¤«¡© - 4.7) - ÄêµÁ¤µ¤ì¤¿¥Æ¡¼¥Ö¥ë¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¢¤ª¤è¤Ó¡¢¥æ¡¼¥¶¤ò¤É¤Î¤è - ¤¦¤Ë¤·¤Æ¸«¤Ä¤±½Ð¤·¤Þ¤¹¤«¡© - 4.8) - Ì䤤¹ç¤ï¤»¤¬ÃÙ¤¤¤¦¤¨¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¤¤¤ëÍͻҤ¬¤¢¤ê¤Þ¤»¤ó¡£¤Ê¤¼¤Ç - ¤¹¤«¡© - 4.9) - Ì䤤¹ç¤ï¤»¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¤É¤Î¤è¤¦¤ËÌ䤤¹ç¤ï¤»¤òɾ²Á¤¹¤ë¤«¤ò¸«¤ë¤Ë¤Ï¤É - ¤¦¤·¤Þ¤¹¤«¡© - 4.10) R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤È¤Ï²¿¤Ç¤¹¤«¡© - 4.11) °äÅÁŪÌ䤤¹ç¤ï¤»ºÇŬ²½¤È¤Ï²¿¤Ç¤¹¤«¡© - 4.12) - Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë - ¼Â¸½¤·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É - ¤Î¤è¤¦¤Ë»È¤¤¤Þ¤¹¤«¡© - 4.13) Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬ NULL - ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - 4.14) ¿§¡¹¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© - 4.15.1) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© - 4.15.2) SERIAL¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© - 4.15.3) currval() ¤Ï¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂ֤˴٤뤳¤È¤Ï¤Ê¤¤¤Ç¤¹¤«¡© - 4.15.4) ¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤ·¤¿¤È¤ - ¤Ë¤â¤¦¤¤¤Á¤É¥·¡¼¥±¥ó¥¹Èֹ椬»È¤ï¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©¥·¡¼¥±¥ó¥¹¡¿SERI - AL¥«¥é¥à¤Ë¶õ¤¤¬¤¢¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - 4.16) OID ¤È¤Ï²¿¤Ç¤¹¤«¡© TID ¤È¤Ï²¿¤Ç¤¹¤«¡© - 4.17) PostgreSQL ¤Ç»È¤ï¤ì¤ë¤¤¤¯¤Ä¤«¤ÎÍѸì¤Î°ÕÌ£¤Ï²¿¤Ç¤¹¤«¡© - 4.18) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ "ERROR: Memory exhausted in - AllocSetAlloc()"¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - 4.19) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL - ¤òÁö¤é¤»¤Æ¤¤¤ë¤Î¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - 4.20) ¥é¡¼¥¸¥ª¥Ö¥¸¥§¥¯¥È¤ÎÁàºî¤Ç¡¢invalid large obj - descriptor¤È½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - 4.21) - ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤Ê¥«¥é¥à¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© - 4.22) ¤Ê¤¼¡¢IN¤ò»È¤¦ÉûÌ䤤¹ç¤ï¤»¤¬¤È¤Æ¤âÃÙ¤¤¤Î¤Ç¤¹¤«¡© - 4.23) ³°Éô·ë¹ç(outer join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«? - 4.24) Ê£¿ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò»È¤¦Ì䤤¹ç¤ï¤»¤Ï¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤Ç¤¤Þ¤¹¤«¡© - 4.25) ´Ø¿ô¤ÇÊ£¿ô¤Î¥í¥¦¤Þ¤¿¤Ï¥«¥é¥à¤òÊÖ¤¹¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - 4.26) ¤Ê¤¼¡¢PL/PgSQL ´Ø¿ô¤ÎÃæ¤«¤é°ì»þ¥Æ¡¼¥Ö¥ë¤ò³Î¼Â¤Ë create/drop - ¤¹¤ë¤³¤È¤¬¤Ç¤¤Ê¤¤¤Î¤Ç¤·¤ç¤¦¤«¡© - 4.27) ¤É¤Î¤è¤¦¤Ê°Å¹æ²½¥ª¥×¥·¥ç¥ó¤òÍøÍѤǤ¤Þ¤¹¤«? - - PostgreSQL¤Î³ÈÄ¥¤Ë¤Ä¤¤¤Æ¤Î¼ÁÌä - - 5.1) ¼«Ê¬¤Ç½ñ¤¤¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò psql - ¤ÎÃæ¤Ç¼Â¹Ô¤¹¤ë¤È¥³¥¢¡¦¥À¥ó¥×¤·¤Æ¤·¤Þ¤¦¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - 5.2) PostgreSQL - ÍѤ˽ñ¤¤¤¿¤Á¤ç¤Ã¤ÈÁÇŨ¤Ê¿·¤·¤¤·¿¤ä´Ø¿ô¤òÄ󶡤·¤Æ¥×¥í¥¸¥§¥¯¥È¤Ë¹×¸¥¤·¤¿ - ¤¤¤Î¤Ç¤¹¤¬¡© - 5.3) ¥¿¥×¥ë¤òÊÖ¤¹ C¸À¸ì¤Î´Ø¿ô¤Ï¤É¤Î¤è¤¦¤Ë½ñ¤¤Þ¤¹¤«¡© - 5.4) - ¥½¡¼¥¹¡¦¥Õ¥¡¥¤¥ë¤òÊѹ¹¤·¤Þ¤·¤¿¡£ºÆ¥³¥ó¥Ñ¥¤¥ë¤·¤Æ¤âÊѲ½¤¬¸«¤é¤ì¤Ê¤¤¤Î¤Ï - ¤Ê¤¼¤Ç¤¹¤«¡© - _________________________________________________________________ - - °ìÈÌŪ¤Ê¼ÁÌä - - 1.1) PostgreSQL ¤È¤Ï²¿¤Ç¤¹¤«¡© ²¿¤ÈÆÉ¤ß¤Þ¤¹¤«¡© - - PostgreSQL¤ÏPost-Gres-Q-L(¥Ý¥¹¥È - ¥°¥ì¥¹ - ¥¥å¡¼ - ¥¨¥ë) - ¤Èȯ²»¤·¤Þ¤¹¡£ - - PostgreSQL ¤Ï¼¡À¤Âå DBMS ¸¦µæÍѤΥץí¥È¥¿¥¤¥×¤Ç¤¢¤Ã¤¿ POSTGRES - ¥Ç¡¼¥¿¥Ù¡¼¥¹´ÉÍý¥·¥¹¥Æ¥à¤Î²þÎÉÈǤǤ¹¡Ê¤³¤Î¤¿¤á¡¢º£¤Ç¤â¤È¤¤É¤ - "Postgres" ¤È¸Æ¤Ð¤ì¤ë¤³¤È¤¬¤¢¤ê¤Þ¤¹¡Ë¡£PostgreSQL ¤Ï POSTGRES - ¤Î¶¯ÎϤʥǡ¼¥¿¡¦¥â¥Ç¥ë¤ÈË - É٤ʥǡ¼¥¿¡¦¥¿¥¤¥×(·¿)¤òÊÝ»ý¤·¤Ê¤¬¤é¡¢POSTGRES ¤Ç»È¤ï¤ì¤¿ PostQuel - Ì䤤¹ç¤ï¤»¸À¸ì¤ò¡¢³ÈÄ¥¤·¤¿ SQL ¤Î¥µ¥Ö¥»¥Ã¥È¤ËÃÖ¤ - ´¹¤¨¤Æ¤¤¤Þ¤¹¡£PostgreSQL ¤Ï̵ÎÁ¤Ç´°Á´¤Ê¥½¡¼¥¹¤òÍøÍѤǤ¤Þ¤¹¡£ - - PostgreSQL ¤Î³«È¯¤Ï¡¢PostgreSQL - ³«È¯¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ë»²²Ã¤·¤Æ¤¤¤ë³«È¯¼Ôã¤Î¥Á¡¼¥à¤Ç¤¹¤Ù¤Æ¹Ô¤Ê¤ï¤ì¤Æ¤¤ - ¤Þ¤¹¡£¸½ºß¤ÎºÂĹ¤Ï Marc G. Fournier (scrappy@PostgreSQL.org - )¤Ç¤¹¡£(²¼µ¤Î1.6Àá¤Ë»²²Ã¤Î»ÅÊý¤¬¤¢¤ê¤Þ¤¹¡£)¸½ºß¡¢¤³¤Î¥Á¡¼¥à¤¬ - PostgreSQL - ³«È¯¤Î¤¹¤Ù¤Æ¤ÎÌÌÅݤò¤ß¤Æ¤¤¤Þ¤¹¡£¤³¤Î¥Á¡¼¥à¤Ï¥³¥ß¥å¥Ë¥Æ¥£¥×¥í¥¸¥§¥¯¥È¤Ç - ¤¢¤ê¡¢¤¤¤«¤Ê¤ë´ë¶È¤Ë¤è¤Ã¤Æ¤âÀ©¸æ¤ò¼õ¤±¤Þ¤»¤ó¡£»²²Ã¤·¤¿¤±¤ì¤Ð¡¢ - http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html - ¤Ë¤¢¤ë³«È¯¼Ô¸þ¤±¤ÎFAQ¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£ - - Postgres95-1.01 ¤ÎÃæ¿´Åª¤Ê³«È¯¼Ô¤Ï Andrew Yu ¤È Jolly Chen - ¤Ç¤·¤¿¤¬¡¢¤½¤Î¾ÂçÀª¤Î¿Í¡¹¤¬¤³¤Î¥³¡¼¥É¤Î°Ü¿¢¡¢¥Æ¥¹¥È¡¢¥Ç¥Ð¥°¡¢¤ª¤è¤Ó¡¢ - ²þÎɤ˻²²Ã¤·¤Þ¤·¤¿¡£PostgreSQL ¤ÎÇÉÀ¸¸µ¥³¡¼¥É¤Ç¤¢¤ë Postgres - ¤Ï¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¥Ð¡¼¥¯¥ì¥¤¹»¤Ë¤ª¤¤¤Æ¡¢ Michael Stonebraker - ¶µ¼ø¤Î»Ø´ø¤Î¤â¤È¡¢Â¿¤¯¤Î³ØÀ¸¡¢Â´¶ÈÀ¸¡¢ËÜ¿¦¤Î¥×¥í¥°¥é¥Þ¤¿¤Á¤ÎÅØÎϤˤè¤ê - ºî¤é¤ì¤Þ¤·¤¿¡£ - - ¥Ð¡¼¥¯¥ì¥¤¤Ë¤ª¤±¤ë¤³¤Î¥½¥Õ¥È¥¦¥§¥¢¤Î¤â¤È¤Î̾Á°¤Ï Postgres - ¤Ç¤·¤¿¤¬¡¢SQL ¤Îµ¡Ç½¤¬Äɲ䵤줿 1995 ǯ¤Ë¤½¤Î̾Á°¤Ï Postgres95 - ¤ËÊѹ¹¤µ¤ì¡¢1996 ǯ¤Î½ª¤ê¤Ë¤½¤Î̾Á°¤Ï PostgreSQL ¤ËÊѹ¹¤µ¤ì¤Þ¤·¤¿¡£ - - 1.2) PostgreSQL ¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡© - - PostgreSQL ¤Ï²¼µ¤ÎÃøºî¸¢¤Ë½¾¤¤¤Þ¤¹¡£ + +¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬ + + °ìÈÌŪ¤Ê¼ÁÌä + +1.1) PostgreSQL¤È¤Ï²¿¤Ç¤¹¤«¡©²¿¤ÈÆÉ¤ß¤Þ¤¹¤«¡© +1.2) PostgreSQL¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡© +1.3) PostgreSQL¤ò¥µ¥Ý¡¼¥È¤¹¤ë¥×¥é¥Ã¥È¥Û¡¼¥à¤Ï¡© +1.4) PostgreSQL¤Ï¤É¤³¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¤«¡© +1.5) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡© +1.6) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡© +1.7) ºÇ¿·ÈǤϤɤì¤Ç¤¹¤« +1.8) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡© +1.9) ´ûÃΤΥХ°¤ä̤¤À̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡© +1.10) SQL¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡© +1.11) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡© +1.12) ¾¤ÎDBMS¤ÈÈæ¤Ù¤ÆPostgreSQL¤Ï¤É¤¦¤Ê¤Î¤Ç¤¹¤«¡© +1.13) 郎 PostgreSQL ¤ò¥³¥ó¥È¥í¡¼¥ë¤·¤Þ¤¹¤«¡© + + ¥æ¡¼¥¶¡¼¡¦¥¯¥é¥¤¥¢¥ó¥È¤Î¼ÁÌä + +2.1) PostgreSQL ¤Ë¤Ï¤É¤ó¤Ê¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤¬»È¤¨¤Þ¤¹¤«¡© +2.2) PostgreSQL ¤ò Web ¥Ú¡¼¥¸¤ÈÏ¢·È¤µ¤»¤ë¤Ë¤Ï¤É¤ó¤Ê¥Ä¡¼¥ë¤¬¤¢¤ê¤Þ¤¹¤«¡© +2.3) PostgreSQL ¤Ë¥°¥é¥Õ¥£¥«¥ë¡¦¥æ¡¼¥¶¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï¤¢¤ê¤Þ¤¹¤«¡© + + ´ÉÍý¾å¤Î¼ÁÌä + +3.1) ¤É¤¦¤¹¤ì¤Ð¡¢PostgreSQL¤ò/usr/local/pgsql °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤¤Þ¤¹ +¤«¡© +3.2) ¾¤Î¥Û¥¹¥È¤«¤é¤ÎÀܳ¤Ï¤É¤Î¤è¤¦¤ËÀ©¸æ¤·¤Þ¤¹¤«¡© +3.3) ¤è¤êÎɤ¤Àǽ¤òÆÀ¤ë¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥¨¥ó¥¸¥ó¤ò¤É¤Î¤è¤¦¤ËÄ´À°¤·¤Þ¤¹¤« +¡© +3.4) ¤É¤Î¤è¤¦¤Ê¥Ç¥Ð¥°µ¡Ç½¤¬»È¤¨¤Þ¤¹¤«¡© +3.5) Àܳ¤·¤è¤¦¤È¤¹¤ë¤È¤¤Ë 'Sorry, too many clients' ¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© +3.6) PostgreSQL¤Î¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¥¢¥Ã¥×¥Ç¡¼¥È¤¹¤ë¤Î¤Ë¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ò¤·¤Ê¤¯ +¤Æ¤Ï¤Ê¤é¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© +3.7) ¥Ï¡¼¥É¥¦¥§¥¢¤Ë¤Ï¤É¤ó¤Ê¥³¥ó¥Ô¥å¡¼¥¿¤ò»È¤¨¤Ð¤è¤¤¤Ç¤¹¤«¡© + + Áàºî¾å¤Î¼ÁÌä + +4.1) ºÇ½é¤Î¤¤¤¯¤Ä¤«¤Î¥í¥¦¤Î¤ß¤ò select ¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©¥é¥ó¥À¥à¤Ê¥í¥¦¡© +4.2) ÄêµÁ¤µ¤ì¤¿¥Æ¡¼¥Ö¥ë¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¢¤ª¤è¤Ó¡¢¥æ¡¼¥¶¤ò¤É¤Î¤è¤¦¤Ë +¤·¤Æ¸«¤Ä¤±½Ð¤·¤Þ¤¹¤«¡© +4.3) ¥«¥é¥à¤Î¥Ç¡¼¥¿¥¿¥¤¥×¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© +4.4) ¥í¥¦¡¢¥Æ¡¼¥Ö¥ë¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º¤Ï¡© +4.5) °ìÈÌŪ¤Ê¥Æ¥¥¹¥È¥Õ¥¡¥¤¥ë¤Î¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¥£¥¹¥¯ÍÆÎÌ +¤Ï¤É¤Î¤¯¤é¤¤É¬ÍפǤ¹¤«¡© +4.6) ¥¯¥¨¥ê¤¬ÃÙ¤¤¤Î¤Ï¤Ê¤¼¤Ç¤·¤ç¤¦¡©¤Ê¤¼¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤ï¤ì¤Ê¤¤¤Î¤Ç¤·¤ç¤¦¤«¡© +4.7) ¥¯¥¨¥ê¥ª¥×¥Æ¥£¥Þ¥¤¥¶¤¬¡¢¤É¤Î¤è¤¦¤Ë¥¯¥¨¥ê¤òɾ²Á¤·¤Æ¤¤¤«¤ò¡¢¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ +¤¹¤«¡© +4.8) Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½ +¤·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É¤Î¤è¤¦¤Ë»È¤¤ +¤Þ¤¹¤«¡© +4.9) ¥¯¥¨¥ê¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬NULL ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©¥Õ¥£ +¡¼¥ë¥É¤¬NULL¤«¤É¤¦¤«¤Ç¤É¤Î¤è¤¦¤Ë¥½¡¼¥È¤¬¤Ç¤¤Þ¤¹¤«¡© +4.10) ¤¤¤í¤¤¤í¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© +4.11.1) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© +4.11.2) SERIAL¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© +4.11.3) currval() ¤Ï¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂ֤˴٤뤳¤È¤Ï¤Ê¤¤¤Ç¤¹¤«¡© +4.11.4) ¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤ·¤¿¤È¤¤Ë¤â¤¦¤¤¤Á¤É¥·¡¼¥±¥ó¥¹Èֹ椬»È¤ï¤ì¤Ê¤¤¤Î +¤Ï¤Ê¤¼¤Ç¤¹¤«¡©¥·¡¼¥±¥ó¥¹¡¿SERIAL¥«¥é¥à¤Ë¶õ¤¤¬¤¢¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© +4.12) OID ¤È¤Ï²¿¤Ç¤¹¤«¡© TID ¤È¤Ï²¿¤Ç¤¹¤«¡© +4.13) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ "ERROR: Memory exhausted in AllocSetAlloc()"¤¬½Ð¤ë¤Î¤Ï¤Ê +¤¼¤Ç¤¹¤«¡© +4.14) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òÁö¤é¤»¤Æ¤¤¤ë¤Î¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© +4.15) ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤Ê¥«¥é¥à¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© +4.16) ³°Éô·ë¹ç(outer join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«? +4.17) Ê£¿ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò»È¤¦Ì䤤¹ç¤ï¤»¤Ï¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤Ç¤¤Þ¤¹¤«¡© +4.18) ´Ø¿ô¤«¤éÊ£¿ô¤Î¥í¥¦¤Þ¤¿¤Ï¥«¥é¥à¤òÊÖ¤¹¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© +4.19) PL/PgSQL ¤Î´Ø¿ô¤ÎÃæ¤Ç°ì»þ¥Æ¡¼¥Ö¥ë¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È¤¡¢¤É¤¦¤·¤Æ "relation +with OID ##### does not exist" ¤È¤¤¤¦¥¨¥é¡¼¤ò¼õ¤±¼è¤ë¤Î¤Ç¤·¤ç¤¦¤«¡© +4.20) ¤É¤Î¤è¤¦¤Ê¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥½¥ê¥å¡¼¥·¥ç¥ó¤¬¤¢¤ê¤Þ¤¹¤«¡© +¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬ + + °ìÈÌŪ¤Ê¼ÁÌä + +1.1) PostgreSQL ¤È¤Ï²¿¤Ç¤¹¤«¡©²¿¤Èȯ²»¤·¤Þ¤¹¤«¡© + +PostgreSQL¤ÏPost-Gres-Q-L(¥Ý¥¹¥È - ¥°¥ì¥¹ - ¥¥å¡¼ - ¥¨¥ë) ¤Èȯ²»¤·¤Þ¤¹¡£ + +¤Þ¤¿¡¢Ã±½ã¤Ë Postgres ¤È¤â¸Æ¤Ð¤ì¤Þ¤¹¡£ + +PostgreSQL ¤Ï¥ª¥Ö¥¸¥§¥¯¥È-¥ê¥ì¡¼¥·¥ç¥Ê¥ë¥Ç¡¼¥¿¥Ù¡¼¥¹¥·¥¹¥Æ¥à¤Ç¡¢ÅÁÅýŪ¤Ê¾¦ÍÑ¥Ç +¡¼¥¿¥Ù¡¼¥¹¥·¥¹¥Æ¥à¤Ë¡¢¼¡À¤ÂåDBMS¥·¥¹¥Æ¥à¤Ë¸«¤é¤ì¤ë¤è¤¦¤Ê²þÎɤ¬»Ü¤µ¤ì¤¿ÆÃħ¤òÍ +¤·¤Þ¤¹¡£PostgreSQL¤Ï¡¢ÌµÎÁ¤Ç´°Á´¤Ê¥½¡¼¥¹¥³¡¼¥É¤ò¼ê¤ËÆþ¤ì¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + +PostgreSQL ¤Î³«È¯¤Ï¡¢¤Û¤È¤ó¤É¤¬¡¢À¤³¦Ãæ¤Ë¤Ò¤í¤¬¤Ã¤¿¥Ü¥é¥ó¥Æ¥£¥¢¤Î³«È¯¼Ô¤Ë¤è¤Ã¤Æ +¡¢¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤òÄ̤·¤¿¥³¥ß¥å¥Ë¥±¡¼¥·¥ç¥ó¤Ë¤è¤Ã¤Æ¹Ô¤ï¤ì¤Æ¤¤¤Þ¤¹¡£¥³¥ß¥å¥Ë¥Æ¥£ +¤Ë¤è¤ë¥×¥í¥¸¥§¥¯¥È¤Ç¤¢¤ë¤¿¤á¡¢¤É¤Î´ë¶È¤ÎÀ©¸æ¤â¤¦¤±¤Þ¤»¤ó¡£³«È¯¤Ë»²²Ã¤·¤¿¤±¤ì¤Ð +¡¢ http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html ¤Ë¤¢¤ë³«È¯¼Ô +¤ÎFAQ¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£ + +1.2) PostgreSQL ¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡© + +PostgreSQL ¤Ï²¼µ¤ÎÃøºî¸¢¤Ë½¾¤¤¤Þ¤¹¡£ + [ÌõÃí¡§ - ÀµÊ¸¤Ï±Ñ¸ì¤Ç¤¹¡£»²¹Í¤È¤·¤Æ¡¢Ìõʸ¤òÊ»µ·ÇºÜ¤·¤Þ¤¹¡£ + ÀµÊ¸¤Ï±Ñ¸ì¤Ç¤¹¡£»²¹Í¤È¤·¤Æ¡¢Ìõʸ¤òÊ»µ·ÇºÜ¤·¤Þ¤¹¡£ ] + + +PostgreSQL Data Base Management System + +Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group Portions +Copyright (c) 1994-1996 Regents of the University of California + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose, without fee, and without a written agreement is +hereby granted, provided that the above copyright notice and this paragraph and +the following two paragraphs appear in all copies. + +IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR +DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST +PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF +THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH +DAMAGE. + +THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, +BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND +THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, +SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - PostgreSQL Data Base Management System - - Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group - Portions Copyright (c) 1994-6 Regents of the University of California - - Permission to use, copy, modify, and distribute this software and its - documentation for any purpose, without fee, and without a written - agreement is hereby granted, provided that the above copyright notice - and this paragraph and the following two paragraphs appear in all - copies. - - IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY - FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, - INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND - ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN - ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, - INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE - PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF - CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, - UPDATES, ENHANCEMENTS, OR MODIFICATIONS. POSTGRESQL ¥Ç¡¼¥¿¥Ù¡¼¥¹´ÉÍý¥·¥¹¥Æ¥à - ÉôÊ¬ÅªÃøºî¸¢ (c) 1996-2004, PostgreSQL¹ñºÝ³«È¯¥Á¡¼¥à - ÉôÊ¬ÅªÃøºî¸¢ (c) 1994-6 ¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³ØËܹ» + ÉôÊ¬ÅªÃøºî¸¢ (c) 1996-2005, PostgreSQL¹ñºÝ³«È¯¥Á¡¼¥à + ÉôÊ¬ÅªÃøºî¸¢ (c) 1994-1996 ¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³ØËܹ» - ËÜ¥½¥Õ¥È¥¦¥§¥¢¤ª¤è¤Ó¤½¤Îʸ½ñ°ì¼°¤Ï¾åµ¤ÎÃøºî¸¢É½¼¨¤È¡¢¤³¤Îʸ¾Ï + ËÜ¥½¥Õ¥È¥¦¥§¥¢¤ª¤è¤Ó¤½¤Îʸ½ñ°ì¼°¤Ï¾åµ¤ÎÃøºî¸¢É½¼¨¤È¡¢¤³¤Îʸ¾Ï ¤ª¤è¤Ó¤³¤ì¤Ë³¤¯Æó¤Ä¤ÎÃÊÍÁ´¤Æ¤ÎÊ£À½¤ËźÉÕ¤µ¤ì¤Æ¤¤¤ë¸Â¤ê¤Ë¤ª¤¤ ¤Æ¡¢»ÈÍÑ¡¢Ê£À½¡¢½¤Àµ¤ª¤è¤ÓÇÛÉդεö²Ä¤ò¡¢¤¤¤«¤Ê¤ëÌÜŪ¤Ç¤¢¤Ã¤Æ¤â¡¢ ̵½þ¤Ç¤«¤ÄƱ°Õ½ñ̵¤·¤Ë¹Ô¤Ê¤¨¤ë¤³¤È¤ò¤³¤³¤Ëǧ¤á¤Þ¤¹¡£ @@ -230,199 +157,168 @@ ¤ò¼õ¤±¤Æ¤¤¤¿¤È¤·¤Æ¤â¡¢°ìÀÚ¤ÎÀÕǤ¤òÉ餤¤Þ¤»¤ó¡£ ¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¤Ï¡¢¾¦ÍÑÌÜŪ¤Ë¤ª¤±¤ë°ÅÌÛ¤ÎÊݾڤȡ¢ÆÃÄêÌÜŪ¤Ç - ¤ÎŬ¹çÀ¤Ë´Ø¤·¤Æ¤Ï¤â¤È¤è¤ê¡¢¤³¤ì¤é¤Ë¸Â¤é¤º¡¢¤¤¤«¤Ê¤ëÊݾڤâÊü´þ¤¹ + ¤ÎŬ¹çÀ¤Ë´Ø¤·¤Æ¤Ï¤â¤È¤è¤ê¡¢¤³¤ì¤é¤Ë¸Â¤é¤º¡¢¤¤¤«¤Ê¤ëÊݾڤâÊü´þ¤¹ ¤ë¤³¤È¤òÌÀ¸À¤·¤Þ¤¹¡£°Ê²¼¤ËÍѰդµ¤ì¤¿¥½¥Õ¥È¥¦¥§¥¢¤Ï¡Ö¤½¤Î¤Þ¤Þ¡×¤ò ´ðËܸ¶Íý¤È¤·¡¢¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¤Ï¤½¤ì¤ò°Ý»ý¡¢»Ù±ç¡¢¹¹¿·¡¢²þÎɤ¢ ¤ë¤¤¤Ï½¤Àµ¤¹¤ëµÁ̳¤òÉ餤¤Þ¤»¤ó¡£ [ÌõÃí¡§ - Ãøºî¸¢¤Ë´Ø¤¹¤ëÀµÊ¸¤Ï¾åµ¤Î±Ñ¸ì¤Ë¤è¤ëɽµ¤Ç¤¹¡£ÆüËܸìÌõ¤Ï¤¢¤¯¤Þ¤Ç + Ãøºî¸¢¤Ë´Ø¤¹¤ëÀµÊ¸¤Ï¾åµ¤Î±Ñ¸ì¤Ë¤è¤ëɽµ¤Ç¤¹¡£ÆüËܸìÌõ¤Ï¤¢¤¯¤Þ¤Ç »²¹Í¤Ç¤¹¡£ ] - - ¾åµ¤ÏBSD¥é¥¤¥»¥ó¥¹¤Ç¸Å¤¥ª¡¼¥×¥ó¥½¡¼¥¹¤Î¥é¥¤¥»¥ó¥¹¤Ç¤¹¡£¥½¡¼¥¹¥³¡¼¥É - ¤¬¤É¤Î¤è¤¦¤Ë»È¤ï¤ì¤è¤¦¤È¤âÀ©¸Â¤·¤Þ¤»¤ó¡£¹¥¤Þ¤·¤¤¤³¤È¤Ê¤Î¤Ç¡¢²æ¡¹¤â¤½¤ì - ¤ò ÊѤ¨¤ë¤Ä¤â¤ê¤Ï¤¢¤ê¤Þ¤»¤ó¡£ - - 1.3) PostgreSQL ¤Îưºî´Ä¶¤Ï¡© - - °ìÈÌŪ¤Ë¡¢ºÇ¶á¤ÎUnix¸ß´¹¥×¥é¥Ã¥È¥Û¡¼¥à¤Ç¤¢¤ì¤ÐPostgreSQL¤ò²ÔƯ¤µ¤»¤é¤ì - ¤ë¤Ï¤º¤Ç¤¹¡£¥ê¥ê¡¼¥¹¤Î»þÅÀ¤Ç¼ÂºÝ¤Ë¥Æ¥¹¥È¤ò¹Ô¤Ê¤Ã¤¿¤³¤È¤ÎÊó¹ð¤¬¤Ê¤µ¤ì¤¿ - ¥×¥é¥Ã¥È¥Û¡¼¥à¤Ë¤Ä¤¤¤Æ¤Ï¥¤¥ó¥¹¥È¡¼¥ë¼ê°ú½ñ¤ËÎóµó¤·¤Æ¤¢¤ê¤Þ¤¹¡£ - - 1.4) Unix°Ê³°¤Î°Ü¿¢ÈǤǻȤ¨¤ë¤â¤Î¤Ï¡© - ¥Ð¡¼¥¸¥ç¥ó8.0¤Ë¤Ê¤ê¡¢PostgreSQL ¤Ï¡¢Win2000, WinXP, Win2003¤Ê¤É¤Î - Microsoft Windows - NT¥Ù¡¼¥¹¤Î¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ç¥Í¥¤¥Æ¥£¥Ö¤ËÁö¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤·¤¿¡£ - ¥Ñ¥Ã¥±¡¼¥¸¤Ë¤Ê¤Ã¤¿¥¤¥ó¥¹¥È¡¼¥é¤¬¡¢http://pgfoundry.org/projects/pginst - aller¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¡£ Windows (Win95, Win98, - WinMe)¤Ê¤É¡¢MSDOS¥Ù¡¼¥¹¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢Cygwin - ¤ò»È¤Ã¤ÆPostgreSQL¤òÁö¤é¤»¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + +1.3) PostgreSQL ¤Îưºî´Ä¶¤Ï¡© + +°ìÈÌŪ¤Ë¡¢ºÇ¶á¤ÎUnix¸ß´¹¥×¥é¥Ã¥È¥Û¡¼¥à¤Ç¤¢¤ì¤ÐPostgreSQL¤ò²ÔƯ¤µ¤»¤é¤ì¤ë¤Ï¤º¤Ç +¤¹¡£¥ê¥ê¡¼¥¹¤Î»þÅÀ¤Ç¼ÂºÝ¤Ë¥Æ¥¹¥È¤ò¹Ô¤Ê¤Ã¤¿¤³¤È¤ÎÊó¹ð¤¬¤Ê¤µ¤ì¤¿¥×¥é¥Ã¥È¥Û¡¼¥à¤Ë +¤Ä¤¤¤Æ¤Ï¥¤¥ó¥¹¥È¡¼¥ë¼ê°ú½ñ¤ËÎóµó¤·¤Æ¤¢¤ê¤Þ¤¹¡£ + +PostgreSQL ¤Ï¡¢Win2000, WinXP, ¤½¤·¤Æ¡¢Win2003 ¤Î¤è¤¦¤Ê Microsoft Windows NT¥Ù +¡¼¥¹¤Î¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ç¡¢¥Í¥¤¥Æ¥£¥Ö¤ËÁö¤ê¤Þ¤¹¡£¤¢¤é¤«¤¸¤á¥Ñ¥Ã¥±¡¼¥¸¤Ë +¤µ¤ì¤¿¥¤¥ó¥¹¥È¡¼¥é¤¬ http://pgfoundry.org/projects/pginstaller ¤Ë¤¢¤ê¡¢ÍøÍѤǤ +¤Þ¤¹¡£MSDOS¥Ù¡¼¥¹¤ÎWindows¤Î¥Ð¡¼¥¸¥ç¥ó(Win95, Win98, WinMe)¤Ç¤Ï¡¢Cygwin¤ò»È¤Ã¤Æ +PostgreSQL ¤òÁö¤é¤»¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + [ÌõÃí pgInstaller ¤ÎÆþ¼ê¤ÏFTP¥ß¥é¡¼¥µ¥¤¥È¤Î win32 ¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¤â²Äǽ¤Ç¤¹¡£ http://www.postgresql.org/mirrors-ftp.html - ] - ¼¡¤Î¥µ¥¤¥È¤Ë Novell Netware 6 ¤Ø¤Î°Ü¿¢¤â¤¢¤ê¤Þ¤¹¡£ - http://forge.novell.com ¤Þ¤¿¡¢OS/2 (eComStation) ¥Ð¡¼¥¸¥ç¥ó¤Ï¡¢ - http://hobbes.nmsu.edu/cgi-bin/h-search?sh=1&button=Search&key=postgre - SQL&stype=all&sort=type&dir=%2F¤Ë¤¢¤ê¤Þ¤¹¡£ - - 1.5) PostgreSQL ¤Ï¤É¤³¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¤«¡© + ¾Ü¤·¤¯¤Ï¡¢¼¡¤Î WindwosÈǤ˴ؤ¹¤ëFAQ¤ÎÏÂÌõ¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£ + http://www.postgresql.jp/wg/jpugdoc/FAQ_windows.ja.html + ] - PostgreSQL ¤ÎÂ縵¤Î anonymous ftp ¥µ¥¤¥È¤Ï - ftp://ftp.PostgreSQL.org/pub/ ¤Ç¤¹¡£ - ¥ß¥é¡¼¥µ¥¤¥È¤Ë¤Ä¤¤¤Æ¤Ï¡¢²æ¡¹¤Î¥á¥¤¥ó Web ¥Ú¡¼¥¸¤ò¤´Í÷²¼¤µ¤¤¡£ - [ÌõÃí: - °Ê²¼¤ÏÆüËܤΥߥ顼¥µ¥¤¥È¤Ç¤¹: - - Japan: ftp://ftp.jp.postgresql.org/ - Japan: ftp://mirror.nucba.ac.jp/mirror/PostgreSQL/pub/ - Japan: ftp://ring.ip-kyoto.ad.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.crl.go.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.saitama-u.ac.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.astem.or.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.exp.fujixerox.co.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.jah.ne.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.etl.go.jp.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.asahi-net.or.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.so-net.ne.jp/pub/misc/db/PostgreSQL/ - Japan: ftp://ring.aist.go.jp/pub/misc/db/PostgreSQL/ - ] +¼¡¤Î¥µ¥¤¥È¤Ë Novell Netware 6 ¤Ø¤Î°Ü¿¢ÈǤ⤢¤ê¤Þ¤¹¡£ http://forge.novell.com ¤Þ +¤¿¡¢OS/2 (eComStation) ¥Ð¡¼¥¸¥ç¥ó¤Ï¡¢ http://hobbes.nmsu.edu/cgi-bin/h-search? +sh=1&button=Search&key=postgreSQL&stype=all&sort=type&dir=%2F¤Ë¤¢¤ê¤Þ¤¹¡£ - 1.6) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡© - - ¼çÍפʥ᡼¥ê¥ó¥°¡¦¥ê¥¹¥È¤Ï: - pgsql-general@PostgreSQL.org¤Ç¤¹¡£PostgreSQL - ¤Ë´Ø¤¹¤ë¤³¤È¤Ç¤¢¤ì¤ÐµÄÏÀ¤¬¤Ç¤ - ¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤Ï¡¢ÅŻҥ᡼¥ë¤ÎËÜʸ(Subject - ¹Ô¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó)¤Ë¼¡¤Î£²¹Ô¤ò½ñ¤¤¤Æ¡¢ - subscribe - end - - pgsql-general-request@PostgreSQL.org ¤ØÁ÷¤Ã¤Æ²¼¤µ¤¤¡£ - - ¥À¥¤¥¸¥§¥¹¥ÈÈǤΥ᡼¥ê¥ó¥°¡¦¥ê¥¹¥È¤â¤¢¤ê¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤Ï - "ËÜʸ"¤Ë¡§ - subscribe - end - ¤È½ñ¤¤¤Æ pgsql-general-digest-request@PostgreSQL.org - ¤ØÅŻҥ᡼¥ë¤òÁ÷¤Ã¤Æ²¼¤µ¤¤¡£ - - ¥À¥¤¥¸¥§¥¹¥ÈÈǤϡ¢¥á¥¤¥ó¥ê¥¹¥È¤Ç¼õ¿®¤¹¤ë¥á¥Ã¥»¡¼¥¸¤¬ 30k - ÄøÅÙί¤ëËè¤Ë¥À¥¤¥¸¥§¥¹¥ÈÈǥꥹ¥È¤Î¥á¥ó¥Ð¡¼¤ËÁ÷ÉÕ¤µ¤ì¤Þ¤¹¡£ - - ¥Ð¥°¥ì¥Ý¡¼¥ÈÍѤΥ᡼¥ê¥ó¥°¥ê¥¹¥È¤â¤¢¤ê¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤Ï - "ËÜʸ" ¤Ë¡§ - subscribe - end +1.4) PostgreSQL ¤Ï¤É¤³¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¤«¡© - ¤È½ñ¤¤¤Æpgsql-bugs-request@PostgreSQL.org ¤ØÅŻҥ᡼¥ë¤òÁ÷¤Ã¤Æ²¼¤µ¤¤¡£ - - ³«È¯¼Ô¤ÎµÄÏÀ¤Î¤¿¤á¤Î¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤âÍøÍѤǤ - ¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤ÏÅŻҥ᡼¥ë¤ÎËÜʸ¤Ë¡§ - subscribe - end +Web¥Ö¥é¥¦¥¶·Ðͳ¤À¤È¡¢ http://www.postgresql.org/ftp/¡¢¤½¤ì¤«¤é¡¢ftp·Ðͳ¤À¤È¡¢ +ftp://ftp.PostgreSQL.org/pub/ ¤ò»È¤¤¤Þ¤¹¡£ + +1.5) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡© + +PostgreSQL ¥³¥ß¥å¥Ë¥Æ¥£¤Ï¿¤¯¤Î¥æ¡¼¥¶¤Î¤¿¤á¤Ë¡¢ÅŻҥ᡼¥ë·Ðͳ¤Î»Ù±ç¤òÄ󶡤·¤Æ¤¤ +¤Þ¤¹¡£ÅŻҥ᡼¥ë¥ê¥¹¥È¤ò¥µ¥Ö¥¹¥¯¥é¥¤¥Ö¤¹¤ë¤¿¤á¤Î¥á¥¤¥ó¤È¤Ê¤ë¥¦¥§¥Ö¥µ¥¤¥È¤Ï +http://www.postgresql.org/community/lists/¤Ç¤¹¡£¤³¤ì¤«¤é¡¢»Ï¤á¤ë¤Î¤Ç¤¢¤ì¤Ð +general ¤Þ¤¿¤Ï¡¢bugs ¤È¤¤¤Ã¤¿¥ê¥¹¥È¤¬¤è¤¤¤Ç¤·¤ç¤¦¡£ + +The major IRC channel is #postgresql on Freenode (irc.freenode.net). To connect +you can use the Unix program irc -c '#postgresql' "$USER" irc.freenode.net or +use any other IRC clients. A Spanish one also exists on the same network, (# +postgresql-es), and a French one, (#postgresqlfr). There is also a PostgreSQL +channel on EFNet. + +¥á¥¸¥ã¡¼¤ÊIRC ¥Á¥ã¥ó¥Í¥ë¤Ï¡¢Freenode (irc.freenode.net)¤Î #postgresql ¤È¤¤¤¦¥Á +¥ã¥ó¥Í¥ë¤Ç¤¹¡£UNIX ¥³¥Þ¥ó¥É¤Ç¤Ï¡¢ irc -c '#PostgreSQL' "$USER" irc.freenode.net +¤ò»È¤Ã¤Æ»²²Ã¤Ç¤¤Þ¤¹¡£Æ±¤¸¥Í¥Ã¥È¥ï¡¼¥¯¤Ë¡¢¥¹¥Ú¥¤¥ó¸ì¤Î¥Á¥ã¥ó¥Í¥ë (# +postgresql-es)¤â¤¢¤ê¡¢¥Õ¥é¥ó¥¹¸ì¤Î¥Á¥ã¥ó¥Í¥ë (#postgresqlfr)¤â¤¢¤ê¤Þ¤¹¡£EFNet¤Ë +¤âPostgreSQL¥Á¥ã¥ó¥Í¥ë¤¬¤¢¤ê¤Þ¤¹¡£ - ¤È½ñ¤¤¤Æ¡¢pgsql-hackers-request@PostgreSQL.org¤ØÅŻҥ᡼¥ë¤òÁ÷¤Ã¤Æ²¼¤µ - ¤¤¡£ - - PostgreSQL ¤Ë¤Ä¤¤¤Æ¤â¤Ã¤È¾Ü¤·¤¯ÃΤꤿ¤±¤ì¤Ð¡¢¼¡¤Î PostgreSQL - WWW¥Û¡¼¥à¥Ú¡¼¥¸¤«¤é¤¿¤É¤ì¤Þ¤¹¡§ - - http://www.PostgreSQL.org - - ¥á¥¸¥ã¡¼¤ÊIRC ¥Á¥ã¥ó¥Í¥ë¤Ï¡¢Freenode (irc.freenode.net)¤Î #PostgreSQL - ¤È¤¤¤¦¥Á¥ã¥ó¥Í¥ë¤Ç¤¹¡£ UNIX ¥³¥Þ¥ó¥É¤Ç¡¢ irc -c '#PostgreSQL' "$USER" - irc.freenode.net. ¤ò»È¤Ã¤Æ»²²Ã¤Ç¤¤Þ¤¹¡£ - Ʊ¤¸¥Í¥Ã¥È¥ï¡¼¥¯¤Ë¡¢¥¹¥Ú¥¤¥ó¸ì¤Î¥Á¥ã¥ó¥Í¥ë(#postgresql-es)¤â¤¢ - ¤ê¡¢¥Õ¥é¥ó¥¹¸ì¤Î¥Á¥ã¥ó¥Í¥ë(#postgresqlfr)¤â¤¢¤ê¤Þ¤¹¡£ - EFNet¤Ë¤âPostgreSQL¥Á¥ã¥ó¥Í¥ë¤¬¤¢¤ê¤Þ¤¹¡£ [ÌõÃí: 1999ǯ7·î23Æü¡¢ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¡¢Î¬¾ÎJPUG¤¬ÀßΩ¤µ¤ì¤Þ¤·¤¿¡£ - JPUG ¤ÏÈó±ÄÍøÁÈ¿¥¤Ç¡¢PostgreSQL¤òÍøÍѤ¹¤ë¿Íã¤ÎÁê¸ß¶¨ÎϤξì¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£ + JPUG ¤ÏÈó±ÄÍøÁÈ¿¥¤Ç¡¢PostgreSQL¤òÍøÍѤ¹¤ë¿Íã¤ÎÁê¸ß¶¨ÎϤξì¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£ (2003ǯ5·î17Æü¡¢¡ÖÆüËÜPostgreSQL¥æ¡¼¥¶²ñ¡×¤Ë̾¾Î¤ò²þ¤á¤Þ¤·¤¿¡£) Àµ²ñ°÷¤Î²ñÈñ¤Ï̵ÎÁ¤Ç¤¹¤¬¡¢¶¨»¿²ñ°÷¤Î²ñÈñ¤È²ñ°÷¤ÎÀѶËŪ¤Ê¹×¸¥¤¬²ñ¤Î±¿±Ä¤ò½õ¤±¤Æ¤¤¤Þ¤¹¡£ ¾Ü¤·¤¯¤Ï¡¢JPUG ¤ÎWeb ¥µ¥¤¥È: http://www.PostgreSQL.jp/ - ¤ò¤´Í÷¤¯¤À¤µ¤¤¡£²ñ°÷ÅÐÏ¿¤â²Äǽ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£ + ¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£²ñ°÷ÅÐÏ¿¤â²Äǽ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£ ÆüËܸì¤ÎIRC¥Á¥ã¥ó¥Í¥ë '#PostgreSQL*jp' ¤â¸ºß¤·¤Þ¤¹¡£ - - ¾¦ÍÑ¥µ¥Ý¡¼¥È²ñ¼Ò¤Î¥ê¥¹¥È¤Ïhttp://techdocs.postgresql.org/companies.php - ¤Ë¤¢¤ê¤Þ¤¹¡£ - - 1.7) ºÇ¿·ÈǤϤɤì¤Ç¤¹¤« - PostgreSQL ¤ÎºÇ¿·ÈǤϥС¼¥¸¥ç¥ó 7.4.6 ¤Ç¤¹¡£ - - ²æ¡¹¤Ï¡¢6¡Á8¥«·îËè¤Ë¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¹Ô¤Ê¤¦¤³¤È¤ò·×²è¤·¤Æ¤¤¤Þ¤¹¡£ - - 1.8) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡© - - ÇÛÉÕ¤ÎÃæ¤Ë¡¢¤¤¤¯¤Ä¤«¤Î¥Þ¥Ë¥å¥¢¥ë¤È¥ª¥ó¥é¥¤¥ó¡¦¥Þ¥Ë¥å¥¢¥ë(¥Þ¥Ë¥å¥¢¥ë¡¦¥ - Ú¡¼¥¸)¤ª¤è¤Ó¤¤¤¯¤Ä¤«¤Î¾®¤µ¤Ê¥Æ¥¹¥ÈÎãÂ꤬´Þ¤Þ¤ì¤Þ¤¹¡£/doc - ¥Ç¥£¥ì¥¯¥È¥ê¤ò¤´Í÷²¼¤µ¤¤¡£¤Þ¤¿¡¢¥Þ¥Ë¥å¥¢¥ë¤Ï¡¢http://www.ca.PostgreSQL - .org/docs/¤Ç¥ª¥ó¥é¥¤¥ó¤Ç¤â±ÜÍ÷¤Ç¤¤Þ¤¹¡£ + +¾¦ÍÑ¥µ¥Ý¡¼¥È²ñ¼Ò¤Î¥ê¥¹¥È¤Ï http://techdocs.postgresql.org/companies.php¤Ë¤¢¤ê¤Þ +¤¹¡£ + +1.6) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡© + +http://www.postgresql.org/support/submitbug ¤ÎPostgreSQL ¥Ð¥°¥Õ¥©¡¼¥à¤òˬ¤ì¤Æ¤¯ +¤À¤µ¤¤¡£¥Ð¥°¥ì¥Ý¡¼¥È¤òÄó½Ð¤¹¤ë»ÅÊý¤Ë¤Ä¤¤¤Æ¤Î¼ê°ú¤È»Ø¿Ë¤¬¤¢¤ê¤Þ¤¹¡£ + +¤½¤ì¤ÈƱ»þ¤Ë ftp ¥µ¥¤¥È ftp://ftp.PostgreSQL.org/pub/ ¤Ç¡¢ºÇ¿·¥Ð¡¼¥¸¥ç¥ó¤Î +PostgreSQL ¤òõ¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£ + +1.7) ºÇ¿·ÈǤϤɤì¤Ç¤¹¤« + +PostgreSQL ¤ÎºÇ¿·ÈǤϥС¼¥¸¥ç¥ó 8.0.3 ¤Ç¤¹¡£ + +²æ¡¹¤Ï¡¢1ǯËè¤Ë¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¹Ô¤Ê¤¤¡¢¿ô¥õ·î¤´¤È¤Î¥Þ¥¤¥Ê¡¼¥ê¥ê¡¼¥¹¤ò¤ò·×²è¤· +¤Æ¤¤¤Þ¤¹¡£ + +1.8) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡© + +ÇÛÉÕ¤ÎÃæ¤Ë¡¢¤¤¤¯¤Ä¤«¤Î¥Þ¥Ë¥å¥¢¥ë¤È¥ª¥ó¥é¥¤¥ó¡¦¥Þ¥Ë¥å¥¢¥ë(¥Þ¥Ë¥å¥¢¥ë¡¦¥Ú¡¼¥¸)¤ª +¤è¤Ó¤¤¤¯¤Ä¤«¤Î¾®¤µ¤Ê¥Æ¥¹¥ÈÎãÂ꤬´Þ¤Þ¤ì¤Þ¤¹¡£ /doc¥Ç¥£¥ì¥¯¥È¥ê¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£ +¤Þ¤¿¡¢¥Þ¥Ë¥å¥¢¥ë¤Ï¡¢ http://www.PostgreSQL.org/docs/¤Ç¥ª¥ó¥é¥¤¥ó¤Ç¤â±ÜÍ÷¤Ç¤¤Þ +¤¹¡£ + [ÌõÃí: - ¡Ê³ô¡ËSRA¤ÈÆüËÜPostgreSQL¥æ¡¼¥¶²ñ¤ÇËÝÌõ¤µ¤ì¡¢ - ¡ÖPostgreSQL ¥ª¥Õ¥£¥·¥ã¥ë¥Þ¥Ë¥å¥¢¥ë¡× - ¤È¤·¤Æ½ÐÈǤµ¤ì¤Æ¤¤¤Þ¤¹¡£ + JPUG ʸ½ñ¡¦½ñÀÒ´ØÏ¢Ê¬²Ê²ñ¤ÇËÝÌõ¤µ¤ì¤¿¥Þ¥Ë¥å¥¢¥ë¤â¤¢¤ê¤Þ¤¹¡£ + + http://www.postgresql.jp/document/pg803doc/ + ¥¤¥ó¥×¥ì¥¹¤«¤é¡¢ + + PostgreSQL¥ª¥Õ¥£¥·¥ã¥ë¥Þ¥Ë¥å¥¢¥ë¤È¤·¤Æ½ÐÈǤµ¤ì¤Æ¤¤¤Þ¤¹¡£ + ] + + +¥ª¥ó¥é¥¤¥ó¤Ç»²¾È¤Ç¤¤ë PostgreSQL ¤ÎËܤâ2ºý¤¢¤ê¤Þ¤¹¡£ http://www.PostgreSQL.org +/docs/awbook.html - ¥ª¥ó¥é¥¤¥ó¤Ç»²¾È¤Ç¤¤ë PostgreSQL - ¤ÎËܤâ2ºý¤¢¤ê¤Þ¤¹¡£http://www.PostgreSQL.org/docs/awbook.html [ÌõÃí: - ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¤Î ¡ÖPostgreSQL BookËÝÌõʬ²Ê²ñ¡× - ¤Ë¤ÆËÝÌõ¤µ¤ì¤Þ¤·¤¿¡£ + JPUG¡ÖPostgreSQL BookËÝÌõʬ²Ê²ñ¡× + ¤ÇËÝÌõ¤µ¤ì¡¢¥Ô¥¢¥½¥ó¤«¤é + ¡Ö¤Ï¤¸¤á¤Æ¤ÎPostgreSQL¡×¤È¤·¤Æ½ÐÈǤµ¤ì¤Þ¤·¤¿¡£ ] + - ¤ª¤è¤Ó¡¢ http://www.commandprompt.com/ppbook/ ¤Ç¤¹¡£ - ¹ØÆþ²Äǽ¤Ê½ñÀÒ¤ÎÌÜÏ¿¤Ï¡¢http://techdocs.PostgreSQL.org/techdocs/bookre - views.php ¤Ë¤¢¤ê¤Þ¤¹¡£ PostgreSQL µ»½Ñ¾ðÊóµ - »ö¤â¡¢http://techdocs.PostgreSQL.org/ ¤Ë¤¢¤ê¤Þ¤¹¡£ - - [ÌõÃí: - ÏÂÌõʸ½ñ¤Ï¡¢ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¤Îhttp://www.postgresql.jp/docum - ent/ ¤ò¤´¤é¤ó²¼¤µ¤¤¡£ ] - - ¥³¥Þ¥ó¥É¥é¥¤¥ó¤Î¥¯¥é¥¤¥¢¥ó¥È¥×¥í¥°¥é¥àpsql - ¤â¡¢·¿¡¢±é»»»Ò¡¢´Ø¿ô¡¢½¸Ì󡢤½¤Î¾¤Î¾ðÊó¤ò¤ª¸«¤»¤¹¤ë¡¢¤¤¤¯¤Ä¤«¤ÎÁÇÀ²¤é - ¤·¤¤ \d ¥³¥Þ¥ó¥É¤ò»ý¤Á¤Þ¤¹¡£ - \? - ¤ò»È¤¦¤ÈÍøÍѲÄǽ¤Ê¥³¥Þ¥ó¥É¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£ - - ²æ¡¹¤Î Web ¥µ¥¤¥È¤Ë¤Ï¡¢¤â¤Ã¤ÈÂô»³¤Îʸ½ñ¤¬¤¢¤ê¤Þ¤¹¡£ - - 1.9) ´ûÃΤΥХ°¤ä̤¤À̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡© +¤ª¤è¤Ó¡¢ http://www.commandprompt.com/ppbook/¤Ç¤¹¡£ + + [ÌõÃí: + Ë®Ìõ¤Ï¡Ö¼ÂÁ© PostgreSQL¡× + ¤¬¥ª¥é¥¤¥ê¡¼¤«¤é½ÐÈǤµ¤ì¤Æ¤¤¤Þ¤¹¡£ + ] - PostgreSQL¤Ï³ÈÄ¥¤µ¤ì¤¿SQL-92¤Î¥µ¥Ö¥»¥Ã¥È¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£ - ²æ¡¹¤Î¥Ú¡¼¥¸¤Î TODO ¥ê¥¹¥È¤Ë¡¢´ûÃΤΥХ°¤ä·çÍǽ¤ä¾ - Íè·×²è¤Ë¤Ä¤¤¤Æ¤Îµ½Ò¤¬¤¢¤ê¤Þ¤¹¡£ - - 1.10) SQL ¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡© - - http://www.PostgreSQL.org/docs/awbook.html ¤Ë¤¢¤ëPostgreSQLËÜ¤Ç SQL - ¤ò¶µ¤¨¤Æ¤¤¤Þ¤¹¡£ + +¹ØÆþ²Äǽ¤Ê½ñÀÒ¤ÎÌÜÏ¿¤Ï¡¢http://techdocs.PostgreSQL.org/techdocs/bookreviews.php +¤Ë¤¢¤ê¤Þ¤¹¡£ PostgreSQL µ»½Ñ¾ðÊóµ»ö¤â¡¢http://techdocs.PostgreSQL.org/ ¤Ë¤¢¤ê +¤Þ¤¹¡£ + [ÌõÃí: - ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¤Î ¡ÖPostgreSQL BookËÝÌõʬ²Ê²ñ¡× - ¤Ë¤ÆËÝÌõ¤µ¤ì½ÐÈǤµ¤ì¤Æ¤¤¤Þ¤¹¡£ + ÆüËܸì¤Î½ñÀÒÅù¤Ë¤Ä¤¤¤Æ¤Ï¤Ï¡¢ÆüËÜPostgreSQL¥æ¡¼¥¶²ñ¤Î¡¢http://www.postgresql.jp/PostgreSQL/references.html + ¤â¤´¤é¤ó¤¯¤À¤µ¤¤¡£ ] + + +¥³¥Þ¥ó¥É¥é¥¤¥ó¤Î¥¯¥é¥¤¥¢¥ó¥È¥×¥í¥°¥é¥àpsql ¤â¡¢·¿¡¢±é»»»Ò¡¢´Ø¿ô¡¢½¸Ì󡢤½¤Î¾¤Î +¾ðÊó¤ò¤ª¸«¤»¤¹¤ë¡¢¤¤¤¯¤Ä¤«¤ÎÁÇÀ²¤é¤·¤¤ \d ¥³¥Þ¥ó¥É¤ò»ý¤Á¤Þ¤¹¡£ - \? ¤ò»È¤¦¤ÈÍø +ÍѲÄǽ¤Ê¥³¥Þ¥ó¥É¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£ + +²æ¡¹¤Î Web ¥µ¥¤¥È¤Ë¤Ï¡¢¤µ¤é¤ËÂô»³¤Îʸ½ñ¤¬¤¢¤ê¤Þ¤¹¡£ + +1.9) ´ûÃΤΥХ°¤ä̤¤À̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡© + +PostgreSQL¤Ï³ÈÄ¥¤µ¤ì¤¿SQL-92¤Î¥µ¥Ö¥»¥Ã¥È¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£²æ¡¹¤Î¥Ú¡¼¥¸¤Î TODO +¥ê¥¹¥È¤Ë¡¢´ûÃΤΥХ°¤ä·çÍǽ¤ä¾Íè·×²è¤Ë¤Ä¤¤¤Æ¤Îµ½Ò¤¬¤¢¤ê¤Þ¤¹¡£ + +1.10) SQL ¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡© + +¤Þ¤º¡¢¾åµ¤Ç½Ò¤Ù¤¿ PostgreSQL ¤Ë¤Ä¤¤¤Æ¤ÎËܤòÆÉ¤à¤³¤È¤ò¸¡Æ¤¤·¤Æ¤¯¤À¤µ¤¤¡£¤â¤¦¤Ò +¤È¤Ä¤Ï¡¢ "Teach Yourself SQL in 21 Days, Second Edition" at http:// +members.tripod.com/er4ebus/sql/index.htm¤Ç¤¹¡£ + +The Practical SQL Handbook, Bowman Judith S. et al., Addison-Wesley ¤¬Â¿¤¯¤Î¥æ +¡¼¥¶¤Ë¹¥É¾¤Ç¤¹¡£¤Û¤«¤Ç¤Ï¡¢The Complete Reference SQL, Groff et al., McGraw-Hill +¤â¹¥É¾¤Ç¤¹¡£ + +ÁÇÀ²¤é¤·¤¤¼ê°ú½ñ¤Ï¡¢http://www.intermedia.net/support/sql/sqltut.shtm, http:// +ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM, ¤½¤·¤Æ¡¢http:// +sqlcourse.com ¤Ë¤¢¤ê¤Þ¤¹¡£ - ¤½¤Î¾¤Ë¤â PostgreSQLËܤȤ·¤Æ¡¢http://www.commandprompt.com/ppbook - ¤¬¤¢¤ê¤Þ¤¹¡£ - ÁÇÀ²¤é¤·¤¤¼ê°ú½ñ¤Ï¡¢http://www.intermedia.net/support/sql/sqltut.shtm, - http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM, - ¤½¤·¤Æ¡¢http://sqlcourse.com ¤Ë¤¢¤ê¤Þ¤¹¡£ - - ¤½¤Î¾¤Ç¤Ï¡¢ "Teach Yourself SQL in 21 Days, Second Edition" ¤¬ - http://members.tripod.com/er4ebus/sql/index.htm¤Ë¤¢¤ê¤Þ¤¹¡£ - - ¿¤¯¤Î¥æ¡¼¥¶¤Ë¡¢ The Practical SQL Handbook, Bowman Judith S. et al., - Addison-Wesley ¤¬¹¥É¾¤Ç¤¹¡£ ¤½¤Î¾¤Ë¡¢The Complete Reference SQL, - Groff et al., McGraw-Hill ¤Î¤è¤¦¤Ê¤Î¤â¤¢¤ê¤Þ¤¹¡£ [ÌõÃí: ÀаæÃ£É×»á¤Ë¤è¤ëÆüËܸì¤Î»²¹Íʸ¸¥¤Î¾Ò²ð¥Ú¡¼¥¸ http://www.SRA.co.jp/people/t-ishii/PostgreSQL/doc-jp/index.html @@ -432,536 +328,278 @@ ¤¬¤¢¤ê¤Þ¤¹(¤ä¤ä¸Å¤¤2000ǯÈÇ)¡£ ËÙÅÄÎѱѻá¤Î¡ÖPostgreSQLÆüËܸì¥Þ¥Ë¥å¥¢¥ë¡× http://www.net-newbie.com/ - ¤Ç¤Ï¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Î¸¡º÷¤¬¤Ç¤¤Þ¤¹¡£ + ¤Ç¤Ï¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Î¸¡º÷¤¬¤Ç¤¤Þ¤¹¡£ ´Ý»³ÉÔÆóÉ×»á¤ÎUNIX ¥Ç¡¼¥¿¥Ù¡¼¥¹ÆþÌç http://www.wakhok.ac.jp/DB/DB.html - ¤â¥ª¥ó¥é¥¤¥ó¤ÇÆÉ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + ¤â¥ª¥ó¥é¥¤¥ó¤ÇÆÉ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + Nikkei BP IT Pro ¤Ë¤¢¤ëÀаæÃ£É×»á¤Î PostgreSQL ¥¦¥©¥Ã¥Á + ¤Ç¤ÏËè²ó¿·¤·¤¤¾ðÊó¤ò¤È¤ê¤¢¤²¤Æ¤¤¤Þ¤¹¡£ ] - - 1.11) PostgreSQL¤ÏÀ¾Îñ2000ǯÌäÂê(Y2K)¤ËÂбþ¤·¤Æ¤¤¤Þ¤¹¤«¡© - - Âбþ¤·¤Æ¤Þ¤¹¡£À¾Îñ2000ǯ¤è¤ê¸å¤ÎÆüÉդ⡢µª¸µÁ°2000ǯ¤è¤êÁ°¤ÎÆüÉդ⡢´Ê - ñ¤Ë°·¤¨¤Þ¤¹¡£ - - 1.12) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡© - - ¤Þ¤ººÇ½é(£±ÈÖÌÜ)¤Ë¡¢ºÇ¿·¤Î¥½¡¼¥¹¤ò¥À¥¦¥ó¥í¡¼¥É¤·¡¢²æ¡¹¤Î Web - ¥µ¥¤¥È¤«ÇÛÉÛ¤Ë´Þ¤Þ¤ì¤Æ¤¤¤ëPostgreSQL Developers¤Îʸ½ñ¤òÆÉ¤ß¤Þ¤¹¡£ - £²ÈÖÌܤˡ¢pgsql-hackers ¤È pgsql-patches - ¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤ò¹ØÆÉ(subscribe)¤·¤Þ¤¹¡£ - £³ÈÖÌܤˡ¢¹âÉʼÁ¤Î¥Ñ¥Ã¥Á¤òpgsql-patches¤Ëȯ¿®¤·¤Þ¤¹¡£ - - ¤ª¤è¤½½½¿Í¤Á¤ç¤Ã¤È¤Î¿Í㤬¡¢PostgreSQL - CVS¥¢¡¼¥«¥¤¥Ö¤Ë¥³¥ß¥Ã¥È¤¹¤ë¸¢¸Â¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£ - ¤½¤Î¤½¤ì¤¾¤ì¤Î¿Í㤬Âô»³¤Î¹âÉʼÁ¤Ê¥Ñ¥Ã¥Á¤òȯ¿®¤¹¤ë¤Î¤Ç¡¢¸½ºß¥³¥ß¥Ã¥¿¡¼ - ¤È¤Ê¤Ã¤Æ¤¤¤ë¿Íã¤Ï¤½¤ì¤ËÄɤ¤ÉÕ¤¯¤Î¤¬ÂçÊѤǤ¹¤¬¡¢²æ¡¹¤ÏÈà¤é¤¬¥³¥ß¥Ã¥È¤· - ¤¿¥Ñ¥Ã¥Á¤Ï¹âÉʼÁ¤Ç¤¢¤ë¤È³Î¿®¤·¤Æ¤¤¤Þ¤¹¡£ - - 1.13) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡© - - http://www.postgresql.org/support/submitbug ¤ÎPostgreSQL - ¥Ð¥°¥Õ¥©¡¼¥à¤òˬ¤ì¤Æ²¼¤µ¤¤¡£ - ¥Ð¥°¥ì¥Ý¡¼¥È¤òÄó½Ð¤¹¤ë»ÅÊý¤Ë¤Ä¤¤¤Æ¤Î¼ê°ú¤È»Ø¿Ë¤¬¤¢¤ê¤Þ¤¹¡£ - - ¤½¤ì¤ÈƱ»þ¤Ë ftp ¥µ¥¤¥È - ftp://ftp.PostgreSQL.org/pub/¤Ç¡¢¤â¤Ã¤È¿·¤·¤¤¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL - ¤¢¤ë¤¤¤Ï¥Ñ¥Ã¥Á¤ò¤µ¤¬¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£ - - 1.14) ¾¤ÎDBMS¤ÈÈæ¤Ù¤ÆPostgreSQL¤Ï¤É¤¦¤Ê¤Î¤Ç¤¹¤«¡© - - ¥½¥Õ¥È¥¦¥§¥¢¤ò·×¤ëÊýË¡¤Ë¤Ï¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£µ¡Ç½¤ÈÀǽ¤È¿®ÍêÀ - ¤È¥µ¥Ý¡¼¥È¤È²Á³Ê¤Ç¤¹¡£ - - µ¡Ç½(Features) - PostgreSQL¤Ï¡¢¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¡¢ÉûÌ䤤¹ç¤ï¤»¡¢¥È¥ê¥¬¡¼¡¢¥Ó¥å¡¼¡ - ¢³°Éô¥¡¼À°¹çÀ - »²¾È¡¢¤ª¤è¤Ó¡¢ÀöÎý¤µ¤ì¤¿¥í¥Ã¥¯µ¡¹½¤Ê¤É¡¢Â絬ÌϾ¦ÍÑDBMS¤¬»ý¤Äµ¡Ç - ½¤ò¤Û¤È¤ó¤É»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¤µ¤é¤Ë - PostgreSQL¤Ï¡¢¥æ¡¼¥¶ÄêµÁ·¿¡¢·Ñ¾µ¡¢¥ë¡¼¥ë¡¢¤½¤ì¤«¤é¡¢¥í¥Ã¥¯¶¥¹ç¤ - ò½Ì¾®¤¹¤ë¥Þ¥ë¥Á¥Ð¡¼¥¸¥ç¥óƱ»þÀ - À©¸æ¤Ê¤É¡¢¾¦ÍÑDBMS¤â»ý¤Á¹ç¤ï¤»¤Ê¤¤¤è¤¦¤Êµ¡Ç½¤ò¤¤¤¯¤Ä¤«»ý¤Á¹ç¤ï¤ - »¤Æ¤¤¤Þ¤¹¡£ - - Àǽ(Performance) - PostgreSQL¤Ï¾¤Î¾¦ÍѤ¢¤ë¤¤¤Ï¥ª¡¼¥×¥ó¥½¡¼¥¹¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤È¸ß³Ñ¤ - ÎÀ - ǽ¤â»ý¤Á¤Þ¤¹¡£¤¢¤ëÌ̤ǤϤè¤êÁᤫ¤Ã¤¿¤ê¡¢¤Û¤«¤ÎÌ̤ǤϤè¤êÃÙ¤«¤Ã¤ - ¿¤ê¤·¤Þ¤¹¡£MySQL¤Ê¤É¤ÎÆÃ²½·¿¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥·¥¹¥Æ¥à¤Ë¤¯¤é¤Ù¤Æ¡¢P - ostgreSQL ¤ÏÊ£¿ô¥æ¡¼¥¶¤äÊ£»¨¤ÊÌ䤤¹ç¤ï¤»¡¢¤Þ¤¿¡¢ read/write - Ì䤤¹ç¤ï¤»¤Î¥í¡¼¥É¤¬¤è¤ê¹â®¤Ç¤¹¡£MySQL¤Ï¾¯¤Ê¤¤¥æ¡¼¥¶¤Ç¤Îñ½ã¤Ê - SELECT Ì䤤¹ç¤ï¤»¤Ç¤Ï¹â®¤Ç¤¹¡£¤â¤Á¤í¤ó¡¢MySQL¤Ë¤Ï¾åµ - ¤ÎFeatures¤ÎÀá¤Ë¼¨¤¹¤è¤¦¤Êµ¡Ç½¤Ï¤Û¤È¤ó¤É¤¢¤ê¤Þ¤»¤ó¡£²æ¡¹¤Ï¡¢Pos - tgreSQL¤Ë½ÀÆðÀ¤Èµ¡Ç½À¤òÁȤ߹þ¤ß¤Ê¤¬¤é¤â¡¢À䤨¤ºÀ - ǽ¤Î²þÁ±¤ò³¤±¤Æ¤¤¤Þ¤¹¡£ - - ¿®ÍêÀ(Reliability) - ²æ¡¹¤Ï¡¢DBMS¤Î¿®ÍêÀ - ¤¬¹â¤¯¤Ê¤¯¤Æ¤Ï¤½¤Î²ÁÃͤ¬Ìµ¤¤¤³¤È¤òÍý²ò¤·¤Æ¤Þ¤¹¡£½½Ê¬¥Æ¥¹¥È¤·¤Æ¡ - ¢°ÂÄꤷ¤¿¥³¡¼¥É¤ò¥Ð¥°¤òºÇ¾®¤Ë¤·¤Æ¤«¤é¥ê¥ê¡¼¥¹¤¹¤ë¤è¤¦¤ËÅØ¤á¤Æ¤Þ - ¤¹¡£¤½¤ì¤¾¤ì¤Î¥ê¥ê¡¼¥¹¤Ï¾¯¤Ê¤¯¤È¤â1¥«·î°Ê¾å¤Î¥Ù¡¼¥¿¡¦¥Æ¥¹¥È¤ò¹Ô - ¤Ê¤¤¡¢¤³¤ì¤Þ¤Ç¤Î¥ê¥ê¡¼¥¹¤ÎÍúÎò¤¬¡¢À½ÉÊÈǤȤ·¤Æ°ÂÄꤷ¤¿·ø¸Ç¤Ê¥ê¥ - ꡼¥¹¤Ç¤¢¤ë¤³¤È¤òʪ¸ì¤Ã¤Æ¤¤¤Þ¤¹¡£¤³¤ÎʬÌî¤Ç¤Ï¡¢Â¾¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹ - ¤ÈÈæ¤Ù¤Æ¤â½¿§¤¬¤Ê¤¤¤³¤È¤Ë¼«¿®¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£ - - ¥µ¥Ý¡¼¥È(Support) - ²æ¡¹¤Î¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ï¡¢Áø¶ø¤¹¤ë¤¤¤«¤Ê¤ëÌäÂê¤Ë¤Ä¤¤¤Æ¤â²ò·è¤Ø¤ - μê½õ¤±¤ò¤·¤Æ¤¯¤ì¤ë¡¢³«È¯¼Ô¤ä¥æ¡¼¥¶¤ÎÂç¤ - ¤Ê½¸¤Þ¤ê¤Ø¤ÎÀÜÅÀ¤òÄ󶡤·¤Æ¤¤¤Þ¤¹¡£²æ¡¹¤ÏÌäÂê¤Î²ò·è¤òÊݾڤ¹¤ë¤³¤ - ȤϤǤ - ¤Þ¤»¤ó¤¬¡¢¾¦Íѥǡ¼¥¿¥Ù¡¼¥¹¤Ç¤¢¤Ã¤Æ¤â¾ï¤Ë²ò·è¤µ¤ì¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤ - Þ¤»¤ó¡£³«È¯¼Ô¤ä¡¢¥æ¡¼¥¶¡¦¥³¥ß¥å¥Ë¥Æ¥£¡¢¥Þ¥Ë¥å¥¢¥ëÎà¡¢¤½¤ì¤Ë¡¢¥½ - ¡¼¥¹¥³¡¼¥É¤Ê¤É¤ØÄ¾ÀÜ¥¢¥¯¥»¥¹¤Ç¤ - ¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢PostgreSQL¤Î¥µ¥Ý¡¼¥È¤Ï¡¢Â¾¤ÎDBMS¥µ¥Ý¡¼¥È¤è¤ê¤âÍ - ¥¤ì¤¿¤â¤Î¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¸æÍ×˾¤ËÅú¤¨¤Æ¡¢»öÊÁËè¤Î¾¦ÍÑ¥µ¥Ý¡¼¥È¤Ê - ¤É¤â¤¢¤ê¤Þ¤¹¡ÊFAQ1.6Àá¤ò¤´Í÷²¼¤µ¤¤¡Ë¡£ - - ²Á³Ê(Price) - PostgreSQL¤ÎÍøÍѤϡ¢¾¦ÍѤǤâÈó¾¦ÍѤǤ⡢¤¹¤Ù¤ÆÌµÎÁ¤Ç¤¹¡£¾åµ - ¤Ë¼¨¤·¤Æ¤¢¤ëBSD¥¹¥¿¥¤¥ë¤Î»ÈÍѵöÂú¤Ë³°¤ì¤Ê¤¤¸Â¤ê¡¢PostgreSQL¤Î¥³ - ¡¼¥É¤òÀ©¸Â̵¤·¤Ç¾¦ÉʤËÁȤ߹þ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - 1.15) PostgreSQL¤ò»ñ¶âÌ̤DZç½õ¤¹¤ë¤Ë¤Ï¤É¤¦¤¹¤ì¤Ð¤è¤¤¤Ç¤¹¤«¡© - - PostgreSQL¤Ï¡¢²æ¡¹¤¬»Ï¤á¤¿ 1996ǯ°ÊÍè¡¢ºÇ¹â¥¯¥é¥¹¤Î¾ðÊó´ðÈפò»ý¤Ã¤Æ¤¤ - ¤Þ¤¹¡£¤³¤ì¤Ï¤¹¤Ù¤Æ¡¢Marc - Fournie¤µ¤ó¤Î¤ª¤«¤²¤Ç¡¢Èà¤Ï¤³¤Î´ðÈפòÁϤê½Ð¤·¡¢²¿Ç¯¤Ë¤â¤ï¤¿¤Ã¤Æ´ÉÍý¤·¤ - Ƥ¤Þ¤·¤¿¡£ - - ¼Á¤ÎÎɤ¤´ðÈפϡ¢¥ª¡¼¥×¥ó¥½¡¼¥¹¡¦¥×¥í¥¸¥§¥¯¥È¤Ë¤È¤Ã¤Æ¤Ï¤È¤Æ¤âÂçÀڤʤâ¤Î - ¤Ç¡¢¥×¥í¥¸¥§¥¯¥È¤¬Á°¿Ê¤¹¤ëÀª¤¤¤ò¼º¤Ã¤ÆÊ¬Îö¤¹¤ë¤Î¤ò²óÈò¤·¤Þ¤¹¡£ - - ¤â¤Á¤í¤ó¡¢¤³¤Î´ðÈפϰ¤¤¤â¤Î¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£°Ý»ý¤·Â³¤±¤ë¤¿¤á¤Ë¤ÏËè·î¤¢ - ¤ë¤¤¤Ï°ì»þŪ¤Ë·ÐÈñ¤¬¤«¤«¤ê¤Þ¤¹¡£¤â¤·¡¢¤¢¤Ê¤¿¤ä¤¢¤Ê¤¿¤Î²ñ¼Ò¤Ë¡¢¤³¤¦¤·¤¿ - ÅØÎϤΤ¿¤á¤Î»ñ¶â¤Î±ç½õ¤ò»Ü¤¹¤³¤È¤¬¤Ç¤ - ¤ë¤è¤¦¤Ç¤·¤¿¤é¡¢http://store.pgsql.com/shopping/¤«¤é´óÉÕ¤ò¤ª´ê¤¤¤·¤Þ¤¹ - ¡£ - - ¤Þ¤¿¡¢Web¥Ú¡¼¥¸¤Ë¤Ï PostgreSQL,Inc ¤È¤¢¤ê¤Þ¤¹¤¬¡¢¤½¤³¤Î - "¹×¸¥(contributions)"¤È¤¤¤¦¹àÌܤϡ¢ PostgreSQL - ¥×¥í¥¸¥§¥¯¥È¤ò»Ù±ç¤¹¤ë¤À¤±¤Î¤¿¤á¤Ç¡¢·è¤·¤ÆÆÃÄê¤Î²ñ¼Ò¤Î¤¿¤á¤Î»ñ¶â¤Ç¤Ï¤¢ - ¤ê¤Þ¤»¤ó¡£¤â¤·¡¢¾®ÀÚ¼ê(check)¤ÎÊý¤¬ÅÔ¹ç¤è¤±¤ì¤ÐÏ¢ÍíÀè¤Î½»½ê¤Ø¤ªÁ÷¤ê²¼¤ - µ¤¤¡£ - - ¤µ¤é¤Ë¡¢PostgreSQL¤ò»È¤Ã¤¿À®¸ù»öÎã¤ò¤ª»ý¤Á¤Ç¤¢¤ì¤Ð¡¢¤¼¤Ò¡¢¤ï¤ì¤ï¤ì¤Î - »öÎã¾Ò²ð¥ê¥¹¥È pgsql-advocacy@postgresql.org ¤Ø¤ªÁ÷¤ê¤¯¤À¤µ¤¤¡£ - _________________________________________________________________ - - ¥æ¡¼¥¶¡¼¡¦¥¯¥é¥¤¥¢¥ó¥È¤Î¼ÁÌä - - 2.1) PostgreSQL ¤Î¤¿¤á¤Î ODBC ¥É¥é¥¤¥Ð¡¼¤Ï¤¢¤ê¤Þ¤¹¤«¡© - PsqlODBC ¤È OpenLink ODBC ¤ÎÆó¤Ä¤Î ODBC ¥É¥é¥¤¥Ð¡¼¤¬ÍøÍѲÄǽ¤Ç¤¹¡£ - - PsqlODBC ¤Ï¼¡¤Î¾ì½ê¤«¤é¥À¥¦¥ó¥í¡¼¥É¤Ç¤¤Þ¤¹¡£ - http://gborg.postgresql.org/project/psqlodbc/projdisplay.php - - OpenLink ODBC ¤Ï http://www.openlinksw.com/¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¡£É¸½àŪ¤Ê - ODBC - ¥¯¥é¥¤¥¢¥ó¥È¡¦¥½¥Õ¥È¥¦¥§¥¢¤Ç»È¤¨¤Þ¤¹¤Î¤Ç¡¢»Ù±ç¤·¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥×¥é¥Ã¥È - ¥Û¡¼¥à(Win, Mac, Unix, VMS)¤«¤é PostgreSQL ¤Î ODBC ¤¬ÍøÍѤǤ¤Þ¤¹¡£ - - ¤¿¤Ö¤óÈà¤é¤Ï¡¢¾¦ÍÑÉʼÁ¤Î¥µ¥Ý¡¼¥È¤ÎɬÍפʿ͡¹¤ËÇä¤Ã¤Æ¤¤¤ë¤È»×¤¤¤Þ¤¹¤¬¡¢ - ¥Õ¥ê¡¼¥¦¥§¥¢ÈǤϤ¤¤Ä¤Ç¤âÆþ¼ê²Äǽ¤Î¤è¤¦¤Ç¤¹¡£¼ÁÌä¤Ï¡¢postgres95@openlin - k.co.uk ¤ØÁ÷¤Ã¤Æ²¼¤µ¤¤¡£ - - Programmer's Guide ¤Î ODBC ¤Î¾Ï¤â¤´Í÷¤¯¤À¤µ¤¤¡£ - - 2.2) PostgreSQL ¤ò Web ¥Ú¡¼¥¸¤ÈÏ¢·È¤µ¤»¤ë¤Ë¤Ï¤É¤ó¤Ê¥Ä¡¼¥ë¤¬¤¢¤ê¤Þ¤¹¤«¡© - - ¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò΢¤Ë»ý¤Ä Web ¥Ú¡¼¥¸¤Ë¤Ä¤¤¤Æ¤ÎÁÇÀ²¤é¤·¤¤¾Ò²ð¤¬¡¢ - http://www.webreview.com¤Ë¤¢¤ê¤Þ¤¹¡£ - - Web ¤Ø¤Î³ÈÄ¥¤Î¤¿¤á¤Ë¤Ï¡¢PHP - ¤¬Âî±Û¤·¤¿¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£http://www.php.net/¤Ë¤¢¤ê¤Þ¤ - ¹¡£ + +1.11) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡© + +¡Ê³«È¯¼Ô¸þ¤±¤Î¡ËDeveloper's FAQ¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£ + +1.12) ¾¤ÎDBMS¤ÈÈæ¤ÙPostgreSQL¤Ï¤É¤¦¤Ê¤Î¤Ç¤¹¤«¡© + +¥½¥Õ¥È¥¦¥§¥¢¤ò·×¤ëÊýË¡¤Ë¤Ï¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£µ¡Ç½¤ÈÀǽ¤È¿®ÍêÀ¤È¥µ¥Ý¡¼¥È¤È²Á³Ê +¤Ç¤¹¡£ + +µ¡Ç½(Features) + PostgreSQL¤Ï¡¢¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¡¢¥µ¥Ö¥¯¥¨¥ê¡¢¥È¥ê¥¬¡¼¡¢¥Ó¥å¡¼¡¢³°Éô¥¡¼À°¹ç + À»²¾È¡¢¤ª¤è¤Ó¡¢ÀöÎý¤µ¤ì¤¿¥í¥Ã¥¯µ¡¹½¤Ê¤É¡¢Â絬ÌϾ¦ÍÑ DBMS¤¬»ý¤Äµ¡Ç½¤ò¤Û¤È¤ó + ¤É»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¤µ¤é¤Ë PostgreSQL¤Ï¡¢¥æ¡¼¥¶ÄêµÁ·¿¡¢·Ñ¾µ¡¢¥ë¡¼¥ë¡¢¤½¤ì¤«¤é¡¢ + ¥í¥Ã¥¯¶¥¹ç¤ò½Ì¾®¤¹¤ë¥Þ¥ë¥Á¥Ð¡¼¥¸¥ç¥óƱ»þÀÀ©¸æ¤Ê¤É¡¢¾¦ÍÑDBMS¤â»ý¤Á¹ç¤ï¤»¤Ê + ¤¤¤è¤¦¤Êµ¡Ç½¤ò¤¤¤¯¤Ä¤«»ý¤Á¹ç¤ï¤»¤Æ¤¤¤Þ¤¹¡£ +Àǽ(Performance) + PostgreSQL¤Ï¾¤Î¾¦ÍѤ¢¤ë¤¤¤Ï¥ª¡¼¥×¥ó¥½¡¼¥¹¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤È¸ß³Ñ¤ÎÀǽ¤â»ý¤Á + ¤Þ¤¹¡£¤¢¤ëÌ̤ǤϤè¤êÁᤫ¤Ã¤¿¤ê¡¢¤Û¤«¤ÎÌ̤ǤϤè¤êÃÙ¤«¤Ã¤¿¤ê¤·¤Þ¤¹¡£Â¾¤Î¥Ç¡¼ + ¥¿¥Ù¡¼¥¹¤ËÈæ¤Ù¤¿Àǽ¤Ï¡¢¤Õ¤Ä¤¦ +/-10% ¤¯¤é¤¤¤Ç¤·¤ç¤¦¡£ +¿®ÍêÀ(Reliability) + ²æ¡¹¤Ï¡¢DBMS¤Î¿®ÍêÀ¤¬¹â¤¯¤Ê¤¯¤Æ¤Ï¤½¤Î²ÁÃͤ¬Ìµ¤¤¤³¤È¤òÍý²ò¤·¤Æ¤Þ¤¹¡£½½Ê¬¥Æ + ¥¹¥È¤·¤Æ¡¢°ÂÄꤷ¤¿¥³¡¼¥É¤ò¥Ð¥°¤òºÇ¾®¤Ë¤·¤Æ¤«¤é¥ê¥ê¡¼¥¹¤¹¤ë¤è¤¦¤ËÅØ¤á¤Æ¤Þ¤¹ + ¡£¤½¤ì¤¾¤ì¤Î¥ê¥ê¡¼¥¹¤Ï¾¯¤Ê¤¯¤È¤â1 ¥«·î°Ê¾å¤Î¥Ù¡¼¥¿¡¦¥Æ¥¹¥È¤ò¹Ô¤Ê¤¤¡¢¤³¤ì¤Þ + ¤Ç¤Î¥ê¥ê¡¼¥¹¤ÎÍúÎò¤¬¡¢À½ÉÊÈǤȤ·¤Æ°ÂÄꤷ¤¿·ø¸Ç¤Ê¥ê¥ê¡¼¥¹¤Ç¤¢¤ë¤³¤È¤òʪ¸ì¤Ã + ¤Æ¤¤¤Þ¤¹¡£¤³¤ÎʬÌî¤Ç¤Ï¡¢Â¾¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÈÈæ¤Ù¤Æ¤â½¿§¤¬¤Ê¤¤¤³¤È¤Ë¼«¿®¤ò»ý + ¤Ã¤Æ¤¤¤Þ¤¹¡£ +¥µ¥Ý¡¼¥È(Support) + ²æ¡¹¤Î¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ï¡¢Áø¶ø¤¹¤ë¤¤¤«¤Ê¤ëÌäÂê¤Ë¤Ä¤¤¤Æ¤â²ò·è¤Ø¤Î¼ê½õ¤±¤ò¤· + ¤Æ¤¯¤ì¤ë¡¢³«È¯¼Ô¤ä¥æ¡¼¥¶¤ÎÂ礤ʽ¸¤Þ¤ê¤Ø¤ÎÀÜÅÀ¤òÄ󶡤·¤Æ¤¤¤Þ¤¹¡£²æ¡¹¤ÏÌäÂê + ¤Î²ò·è¤òÊݾڤ¹¤ë¤³¤È¤Ï¤Ç¤¤Þ¤»¤ó¤¬¡¢¾¦Íѥǡ¼¥¿¥Ù¡¼¥¹¤Ç¤¢¤Ã¤Æ¤â¾ï¤Ë²ò·è¤µ¤ì + ¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£³«È¯¼Ô¤ä¡¢¥æ¡¼¥¶¡¦¥³¥ß¥å¥Ë¥Æ¥£¡¢¥Þ¥Ë¥å¥¢¥ëÎà¡¢¤½¤ì¤Ë + ¡¢¥½¡¼¥¹¥³¡¼¥É¤Ê¤É¤ØÄ¾ÀÜ¥¢¥¯¥»¥¹¤Ç¤¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢PostgreSQL¤Î¥µ¥Ý¡¼¥È¤Ï + ¡¢Â¾¤ÎDBMS ¥µ¥Ý¡¼¥È¤è¤ê¤âÍ¥¤ì¤¿¤â¤Î¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¸æÍ×˾¤ËÅú¤¨¤Æ¡¢»öÊÁËè¤Î + ¾¦ÍÑ¥µ¥Ý¡¼¥È¤Ê¤É¤â¤¢¤ê¤Þ¤¹¡ÊFAQ1.5Àá¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡Ë¡£ +²Á³Ê(Price) + PostgreSQL¤ÎÍøÍѤϡ¢¾¦ÍѤǤâÈó¾¦ÍѤǤ⡢¤¹¤Ù¤ÆÌµÎÁ¤Ç¤¹¡£¾åµ¤Ë¼¨¤·¤Æ¤¢¤ëBSD + ¥¹¥¿¥¤¥ë¤Î»ÈÍѵöÂú¤Ë³°¤ì¤Ê¤¤¸Â¤ê¡¢PostgreSQL¤Î¥³¡¼¥É¤òÀ©¸Â̵¤·¤Ç¾¦ÉʤËÁÈ¤ß + ¹þ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + +1.13) 郎 PostgreSQL ¤ò¥³¥ó¥È¥í¡¼¥ë¤·¤Þ¤¹¤«¡© + +PostgreSQL¤ÎÌçÈÖ¡¢Ãæ±û°Ñ°÷²ñ¡¢¤¢¤ë¤¤¤Ï¡¢¥³¥ó¥È¥í¡¼¥ë¤ò¤¹¤ë²ñ¼Ò¤òõ¤½¤¦¤È¤·¤Æ¤â +¡¢Äü¤á¤¶¤ë¤ò¤¨¤º ---- ¸ºß¤·¤Ê¤¤¤Î¤Ç¤¹¡£²æ¡¹¤Ï¡¢Ãæ¿´¤È¤Ê¤ë¥³¥ß¥Ã¥Æ¥£¤ÈCVS¥³¥ß¥Ã +¥¿¤ò»ý¤Á¤Þ¤¹¤¬¡¢¤³¤ì¤é¤Î¥°¥ë¡¼¥×¤Ï¥³¥ó¥È¥í¡¼¥ë¤¹¤ë¤¿¤á¤È¤¤¤¦¤è¤ê¤â¡¢´ÉÍý¾å¤Î¤â +¤Î¤Ç¤¹¡£¤³¤³¤Ç¤Ï¡¢¥×¥í¥¸¥§¥¯¥È¤Ï¡¢¤À¤ì¤Ç¤â»²²Ã¤¬¤Ç¤¤ë³«È¯¼Ô¤È¥æ¡¼¥¶¤Î¥³¥ß¥å¥Ë +¥Æ¥£¤Ë¤è¤êÊý¸þÉÕ¤±¤é¤ì¤Þ¤¹¡£ÆÉ¼Ô¤¬¤ä¤é¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤³¤È¤Ï¡¢¥á¡¼¥ê¥ó¥°¥ê¥¹¥È +¤ò¥µ¥Ö¥¹¥¯¥é¥¤¥Ö¤·¤Æ¡¢µÄÏÀ¤Ë»²²Ã¤¹¤ë¤³¤È¤Ç¤¹¡£¡ÊDeveloper's FAQ¤Ë¤Ï¡¢PostgreSQL +³«È¯¤Ë²Ã¤ï¤êÊý¤Ë¤Ä¤¤¤Æ¤Î¾ðÊ󤬤¢¤ê¤Þ¤¹¡£¡Ë + +¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬ + + ¥æ¡¼¥¶¡¼¡¦¥¯¥é¥¤¥¢¥ó¥È¤Î¼ÁÌä + +2.1) PostgreSQL ¤Ë¤Ï¤É¤ó¤Ê¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤¬»È¤¨¤Þ¤¹¤«¡© + +PostgreSQL ¤Î¥¤¥ó¥¹¥È¡¼¥ë¤Ë´Þ¤Þ¤ì¤ëʪ¤ÏC¤ÈÁȹþ¤ß C¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤À¤±¤Ç¤¹¡£ +¤½¤Î¾¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤ÏÆÈΩ¤·¤¿¥×¥í¥¸¥§¥¯¥È¤Ç¡¢ÊÌ¡¹¤Ë¥À¥¦¥ó¥í¡¼¥É¤µ¤ì¤Þ¤¹¡£ +ʬ¤«¤ì¤ë¤³¤È¤Ç¡¢¤½¤ì¤¾¤ì¤Î³«È¯¥Á¡¼¥à¤¬ÆÈ¼«¤Î¥ê¥ê¡¼¥¹¥¹¥±¥¸¥å¡¼¥ë¤ò»ý¤Ä¤³¤È¤¬µö +¤µ¤ì¤Þ¤¹¡£ + +PHP ¤Î¤è¤¦¤Ê¤¤¤¯¤Ä¤«¤Î¥×¥í¥°¥é¥ß¥ó¥°¸À¸ì¤Ï¡¢ PostgreSQL¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤ò´Þ¤ó +¤Ç¤¤¤Þ¤¹¡£Perl, TCL, Python, ¤½¤·¤Æ¡¢¤½¤Î¤Û¤«¤ÎÍøÍѲÄǽ¤Ê¸À¸ì¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹ +¤Ï¡¢ http://gborg.postgresql.org ¤Î Drivers/Interfaces ¤ÎÀá¤ÎÃæ¤È¥¤¥ó¥¿¡¼¥Í¥Ã¥È +¤Î¸¡º÷¤Ç¤ß¤Ä¤±¤é¤ì¤Þ¤¹¡£ + +2.2) PostgreSQL ¤ò Web ¥Ú¡¼¥¸¤ÈÏ¢·È¤µ¤»¤ë¤Ë¤Ï¤É¤ó¤Ê¥Ä¡¼¥ë¤¬¤¢¤ê¤Þ¤¹¤«¡© + +¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò΢¤Ë»ý¤Ä Web ¥Ú¡¼¥¸¤Ë¤Ä¤¤¤Æ¤ÎÁÇÀ²¤é¤·¤¤¾Ò²ð¤¬¡¢ +http://www.webreview.com¤Ë¤¢¤ê¤Þ¤¹¡£ + +Web ¤Ø¤Î³ÈÄ¥¤Î¤¿¤á¤Ë¤Ï¡¢PHP(http://www.php.net/) ¤¬Âî±Û¤·¤¿¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤È¤Ê +¤Ã¤Æ¤¤¤Þ¤¹¡£ + [ÌõÃí: - PHP¤Ë´Ø¤¹¤ëÆüËܸì¤Î¾ðÊó¤Ï¡¢2000ǯ4·î19Æü¤Ëȯ¤·¤¿ÆüËÜPHP¥æ¡¼¥¶²ñ¤Î¥µ¥¤¥È + PHP¤Ë´Ø¤¹¤ëÆüËܸì¤Î¾ðÊó¤Ï¡¢2000ǯ4·î19Æü¤Ëȯ¤·¤¿ÆüËÜPHP¥æ¡¼¥¶²ñ¤Î¥µ¥¤¥È http://www.php.gr.jp/ ¤¢¤ë¤¤¤Ï¡¢×¢Àî Îव¤ó¤Î¥µ¥¤¥È http://www.geocities.jp/rui_hirokawa/php/ ¤Ë¤«¤Ê¤ê¤Þ¤È¤á¤é¤ì¤Æ¤¤¤Þ¤¹¡£ ] + - ½èÍý¤¬Ê£»¨¤Ê¾ì¹ç¡¢Â¿¤¯¤Î¿Í¤Ï Perl ¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤È CGI.pm ¤« - mod_perl ¤ò»È¤¤¤Þ¤¹¡£ - [ÌõÃí: - WDB ¤Ï¡¢Web ¤«¤é DataBase ¤Ø¤Î Perl ¤Î Interface ¤Ç¤¹¡£ - wdb-p95 ¤Ø¤Î¥ê¥ó¥¯¤ÏÀÚ¤ì¤Æ¤·¤Þ¤Ã¤Æ¤¤¤Þ¤¹¡£¤ª¤½¤é¤¯¡¢Perl DBI ·Ðͳ¤Ç DBD::Pg ¤ÎÍøÍѤ¬²Äǽ¤È»×¤ï¤ì¤Þ¤¹¡£ - ¸½ºß¡¢WDBI ¤È¤¤¤¦Ì¾Á°¤Ë¤Ê¤Ã¤Æ¤¤¤ë¤â¤Î - http://www.egroups.com/list/wdb-users/ - ¤È¡¢WDB¤Î̾Á°¤Î¤Þ¤Þ¤Î¤â¤Î - http://www.i-con.dk/wdb/ - ¤È¤¬¤¢¤ê¤Þ¤¹¡£¤½¤Î·Ð°Þ¤Ï¤è¤¯¤ï¤«¤ê¤Þ¤»¤ó¡£ - ] +½èÍý¤¬Ê£»¨¤Ê¾ì¹ç¡¢Â¿¤¯¤Î¿Í¤Ï Perl ¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤È CGI.pm ¤« mod_perl ¤ò»È¤¤ +¤Þ¤¹¡£ - 2.3) PostgreSQL ¤Ë¥°¥é¥Õ¥£¥«¥ë¡¦¥æ¡¼¥¶¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï¤¢¤ê¤Þ¤¹¤«¡© - - ¤â¤Á¤í¤ó¡¢PostgreSQL - ¤Ø¤Î¥°¥é¥Õ¥£¥«¥ë¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤¬¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£ ¤½¤ÎÃæ¤ËPgAccess - http://www.pgaccess.org ¤â´Þ¤Þ¤ì¤Þ¤¹¡£ PgAdmin III - (http://www.pgadmin.org)¤â¤¢¤ê¤Þ¤¹¡£ RHDB Admin - (http://sources.redhat.com/rhdb/ )¡¢TORA - (http://www.globecom.net/tora/ (ÉôʬŪ¤Ë¾¦ÍÑ)) ¤ª¤è¤Ó¡¢ Rekall ( - http://www.thekompany.com/products/rekall/, proprietary)¤â¤¢¤ê¤Þ ¤¹¡£ - PhpPgAdmin ( http://phppgadmin.sourceforge.net/ ) - ¤ÏPostgreSQL¤Ø¤ÎWeb¥Ù¡¼¥¹¤Î ¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤òÄ󶡤·¤Þ¤¹¡£ - - ¤è¤ê¾ÜºÙ¤Ê¥ê¥¹¥È¤Ë¤Ä¤¤¤Æ¤Ï¡¢http://techdocs.postgresql.org/guides/GUIT - ools ¤ò¤´Í÷¤¯¤À¤µ¤¤¡£ - - 2.4) ¤É¤Î¤è¤¦¤Ê¸À¸ì¤Ç PostgreSQL ¤ÈÄÌ¿®¤Ç¤¤¹¤«¡© - - ¿Íµ¤¤Î¤¢¤ë¤Û¤È¤ó¤É¤Î¸À¸ì¤ÏPostgreSQL¤Ø¤Î¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹ - ¡£ - ¤¢¤Ê¤¿¤¬»È¤¦¥×¥í¥°¥é¥ß¥ó¥°¸À¸ì¤Î³ÈÄ¥¥â¥¸¥å¡¼¥ë¤Î¥ê¥¹¥È¤òÇÁ¤¤¤Æ¤ß¤Æ¤¯¤À - ¤µ¤¤¡£ - - °Ê²¼¤Î¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤ÏPostgreSQL¤ÎÇÛÉÛ¤Ë´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£ - * C (libpq) - * Ëä¤á¹þ¤ßC (ecpg) - * Java (jdbc) - * Python (PyGreSQL) - * TCL (libpgtcl) - - ¤½¤Î¾¤ÎÍøÍѲÄǽ¤Ê¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï http://gborg.postgresql.org - ¤ÎDrivers/Interfaces¤Î¥»¥¯¥·¥ç¥ó¤Ë¤¢¤ê¤Þ¤¹¡£ - [ÌõÃí¡§ - ±Ê°Â¸ç»Ë¤µ¤ó¤Ï Palm ÈǤΠlibpq ¤ò³«È¯¤µ¤ì¤Þ¤·¤¿¡£ - http://www.snaga.org/libpq/ - ] - _________________________________________________________________ - - ´ÉÍý¾å¤Î¼ÁÌä - - 3.1) ¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð /usr/local/pgsql °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤¤Þ¤¹¤«¡© - - ´Êñ¤ÊÊýË¡¤Ï¡¢ configure ¤òÁö¤é¤»¤ë¤È¤¤Ë --prefix - ¥ª¥×¥·¥ç¥ó¤ò»ØÄꤹ¤ë¤³¤È¤Ç¤¹¡£ - - 3.2) postmaster ¤òÁö¤é¤»¤ë¤È¡¢Bad System Call - ¤È¤«¥³¥¢¡¦¥À¥ó¥×¤·¤¿¤È¤Î¥á¥Ã¥»¡¼¥¸¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© - - ¤µ¤Þ¤¶¤Þ¤ÊÌäÂ꤬¹Í¤¨¤é¤ì¤Þ¤¹¤¬¡¢¤Þ¤ººÇ½é¤Ë¤¢¤Ê¤¿¤Î¥«¡¼¥Í¥ë¤Ë System V - IPC ¤Î³ÈÄ¥¤¬¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Æ¤¤¤ë¤«¤ò³Îǧ¤·¤Æ¸«¤Æ¤¯¤À¤µ¤¤¡£PostgreSQL - ¤Ï¥«¡¼¥Í¥ë¤Ë¤è¤ë¶¦Í¥á¥â¥ê¡¼¤È¥»¥Þ¥Õ¥©¤Î¥µ¥Ý¡¼¥È¤òɬÍפȤ·¤Þ¤¹¡£ - - 3.3) postmaster ¤òÁö¤é¤»¤è¤¦¤È¤¹¤ë¤È¡¢IpcMemoryCreate - ¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© - - ¥«¡¼¥Í¥ë¤¬¶¦Í - ¥á¥â¥ê¡¼¤ò»ý¤ÄÀßÄê¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤«¤Ã¤¿¤«¡¢¤Ç¤Ê¤±¤ì¤Ð¡¢¥«¡¼¥Í¥ë¤ËÂФ·¤Æ»È - ¤¨¤ë¶¦Í¥á¥â¥ê¡¼¤ÎÂ礤µ¤òÂ礤¯ÀßÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¶ñÂÎŪ¤ÊÂç¤ - ¤µ¤Ï¡¢»È¤Ã¤Æ¤¤¤ë¥¢¡¼¥¥Æ¥¯¥Á¥ã¤Èpostmaster ¤òÁö¤é¤»¤ë¤È¤ - ¤ËÀßÄꤹ¤ë¥Ð¥Ã¥Õ¥¡¤Î¿ô¤È¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤Ë°Í¸¤·¤Þ¤¹¡£¤Û¤È¤ó¤É¤Î¥· - ¥¹¥Æ¥à¤Ç¤Ï¡¢´ûÄêÃͤΥХåե¡¥µ¥¤¥º¤Î¤Þ¤Þ¤Ç¡¢¾¯¤Ê¤¯¤È¤âÌó1MB¤¬É¬ÍפǤ¹¡ - £ PostgreSQL Administrator's Guide/Server Run-time - Environment/Managing Kernel Resources ¤Ë¶¦Í - ¥á¥â¥ê¡¼¤È¥»¥Þ¥Õ¥©¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤Î¾ÜºÙ¤¬¤¢¤ê¤Þ¤¹¤Î¤Ç¤´Í÷¤¯¤À¤µ¤¤¡£ - - 3.4) postmaster¤òÁö¤é¤»¤è¤¦¤È¤¹¤ë¤È¡¢IpcSemaphoreCreate - ¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© - - ¤â¤·¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬IpcSemaphoreCreate: semget failed (No space left - on - device)¤Ç¤¢¤ì¤Ð¡¢¥«¡¼¥Í¥ë¤¬½½Ê¬¤Ê¥»¥Þ¥Õ¥©¤ò»È¤¨¤ë¤è¤¦¤Ë¹½À®¤µ¤ì¤Æ¤¤¤Þ¤ - »¤ó¡£Postgres¤ÏÀøºßŪ¤Ê¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹Ëè¤Ë°ì¤Ä¤Î¥»¥Þ¥Õ¥©¤òɬÍפȤ - ·¤Þ¤¹¡£¤È¤ê¤¢¤¨¤º¤Î²ò·èºö¤Ïpostmaster¤òµ¯Æ°¤¹¤ë¤È¤ - ¤Ë¡¢¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤Î¿ô¤ò¤è¤ê¾¯¤Ê¤¯À©¸Â¤ò¤¹¤ë¤³¤È¤Ç¤¹¡£´ûÄêÃͤÎ32 - ¤è¤ê¾®¤µ¤Ê¿ô¤Î¥Ñ¥é¥á¡¼¥¿¤ò-N¤Ç»È¤¤¤Þ¤¹¡£¤è¤ê¹±µ×Ū¤Ê²ò·èºö¤Ï¡¢¥«¡¼¥Í¥ë - ¤ÎSEMMNS ¤È SEMMNI ¥Ñ¥é¥á¡¼¥¿¤òÁý¤ä¤¹¤³¤È¤Ç¤¹¡£ - - ÁàºîÉÔǽ¤Î¥»¥Þ¥Õ¥©¤â²áÅ٤ʥǡ¼¥¿¥Ù¡¼¥¹¥¢¥¯¥»¥¹¤Î´Ö¤Ë¥¯¥é¥Ã¥·¥å¤ò - µ¯¤³¤¹²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£ - - ¤â¤·¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬¤Ê¤Ë¤«Â¾¤Î¤â¤Î¤Ç¤¢¤ì¤Ð¡¢¥«¡¼¥Í¥ë¤Î¹½À®¤Ç¤Þ¤Ã¤¿ - ¤¯¥»¥Þ¥Õ¥©¤Î¥µ¥Ý¡¼¥È¤ò¤·¤Æ¤¤¤Ê¤¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£ PostgreSQL - Administrator's Guide ¤Ë¶¦Í - ¥á¥â¥ê¡¼¤È¥»¥Þ¥Õ¥©¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤Î¾ÜºÙ¤¬¤¢¤ê¤Þ¤¹¡£ - - 3.5) ¾¤Î¥Û¥¹¥È¤«¤é¤ÎÀܳ¤Ï¤É¤Î¤è¤¦¤ËÀ©¸æ¤·¤Þ¤¹¤«¡© - - ´ûÄêÃͤǤϡ¢PostgreSQL ¤Ï Unix - ¥É¥á¥¤¥ó¥½¥±¥Ã¥È¡¢¤Þ¤¿¤Ï¡¢TCP/IPÀܳ¤Î¥í¡¼¥«¥ë¥Þ¥·¥ó¤«¤é¤ÎÀܳ¤·¤«µö¤· - ¤Þ¤»¤ó¡£postgresql.conf ¤ÎÃæ¤Î listen_addresses - ¤ò½¤Àµ¤·¡¢¤«¤Ä¡¢$PGDATA/pg_hba.conf - ¥Õ¥¡¥¤¥ë¤òŬÀڤ˾¤·¤Æ¡¢¥Û¥¹¥È¼çƳ·¿Ç§¾Ú¤òÍ - ¸ú¤Ë¤·¤Ê¤¤¤«¤®¤ê¤Ï¡¢Â¾¤Î¥Þ¥·¥ó¤«¤é¤ÏÀܳ¤Ç¤¤Ê¤¤¤Ç¤·¤ç¤¦¡£ - - 3.6) ¤è¤êÎɤ¤À - ǽ¤òÆÀ¤ë¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥¨¥ó¥¸¥ó¤ò¤É¤Î¤è¤¦¤ËÄ´À°¤¹¤ì¤ÐÎɤ¤¤Ç¤¹¤«¡© - - ³Î¤«¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤ÏÌ䤤¹ç¤ï¤»¤Î®ÅÙ¤òÁý¤·¤Þ¤¹¡£EXPLAIN - ANALYZE¥³¥Þ¥ó¥É¤Ç PostgreSQL - ¤¬¤É¤Î¤è¤¦¤Ë¤¢¤Ê¤¿¤ÎÌ䤤¹ç¤ï¤»¤òËÝÌõ¤·¤Æ¤¤¤ë¤«¤ò¸«¤ë¤³¤È¤¬¤Ç¤ - ¡¢¤½¤·¤Æ¡¢¤É¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤ï¤ì¤Æ¤¤¤ë¤«¤ò¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - ¤â¤· INSERT ¤ò¿ÍѤ·¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢COPY ¥³¥Þ¥ó¥É¤ò»È¤Ã¤ÆÂç¤ - ¤Ê¥Ð¥Ã¥Á½èÍý¤Ç¤½¤ì¤ò¹Ô¤Ê¤¦¤³¤È¤ò¸¡Æ¤¤·¤Æ²¼¤µ¤¤¡£¤³¤ì¤Ï¡¢INSERT - ¤òÊÌ¡¹¤Ë¹Ô¤Ê¤¦¤è¤ê¤â¤Ã¤È¹â®¤Ç¤¹¡£¼¡¤Ë¡¢BEGIN WORK/COMMIT - ¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¡¦¥Ö¥í¥Ã¥¯¤ÎÃæ¤Ë̵¤¤Ê¸¤Ï¡¢¤½¤ì¤é¼«¿È¤¬¤½¤ì¤¾¤ì¤Î¥È¥é - ¥ó¥¶¥¯¥·¥ç¥ó¤ËÆþ¤Ã¤Æ¤¤¤ë¤È¸«¤Ê¤µ¤ì¤Þ¤¹¡£¤¤¤¯¤Ä¤«¤Îʸ¤ò°ì¤Ä¤Î¥È¥é¥ó¥¶¥¯ - ¥·¥ç¥ó¡¦¥Ö¥í¥Ã¥¯¤ÎÃæ¤Ç¹Ô¤Ê¤¦¤³¤È¤ò¹Í¤¨¤Æ²¼¤µ¤¤¡£¤³¤ì¤Ë¤è¤ê¥È¥é¥ó¥¶¥¯¥· - ¥ç¥ó¤Î¥ª¡¼¥Ð¡¼¥Ø¥Ã¥É¤¬¸º¤ê¤Þ¤¹¡£¤Þ¤¿¡¢Âç¤ - ¤Ê¥Ç¡¼¥¿¤ÎÊѹ¹¤ò¹Ô¤Ê¤¦ºÝ¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò°ìÅÙ³°¤·¤Æ¡¢ºî¤êľ¤¹¤³¤È¤ò¹Í¤¨ - ¤Æ¤ß¤Æ²¼¤µ¤¤¡£ - - Administration Guide/Server Run-time Environment/Run-time - Configuration¤Ë¤Ï¡¢ - ¥Á¥å¡¼¥Ë¥ó¥°¤Î¥ª¥×¥·¥ç¥ó¤¬¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£fsync¥ª¥×¥·¥ç¥ó¤Çfsync() - ¤ò̵¸ú¤Ë¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤³¤ì¤Ë¤è¤Ã¤Æ¡¢³Æ¥È¥é¥ó¥¶¥¯¥·¥ç¥óËè¤Ë - fsync() ¤Ç¥Ç¥£¥¹¥¯¤ò¹¹¿·¤¹¤ë¤Î¤ò»ß¤á¤µ¤»¤Þ¤¹¡£ - - shared_buffers¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¥Ð¥Ã¥¯¥¨¥ó¥É¡¦¥×¥í¥»¥¹¤Ë¤è¤ê»È¤ï¤ì¤ë¶¦ - Í¥á¥â¥ê¡¼¡¦¥Ð¥Ã¥Õ¥¡¤òÂ礤¯¤¹¤ë¤³¤È¤â¤Ç¤ - ¤Þ¤¹¡£¤â¤·¡¢¤³¤Î¥Ñ¥é¥á¡¼¥¿¤ò¹â¤¯¤·¤¹¤®¤ë¤È¡¢¥«¡¼¥Í¥ë¤Î¶¦Í - ¥á¥â¥ê¡¼¶õ´Ö¤ÎÀ©¸ÂÃͤò±Û¤¨¤Æ¤·¤Þ¤¦¤¿¤á¤Ë postmaster - ¤¬Áö¤é¤Ê¤¯¤Ê¤ë¤Ç¤·¤ç¤¦¡£´ûÄêÃͤǤϡ¢¤½¤ì¤¾¤ì¤Î¥Ð¥Ã¥Õ¥¡¤ÎÂ礤µ¤Ï 8K - ¤Ç¡¢¥Ð¥Ã¥Õ¥¡¿ô¤Ï 1000 ¤Ç¤¹¡£ - - sort_mem (PostgreSQL 8.0¤«¤é¤Ï: - work_mem)¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¡¢¤½¤ì¤¾¤ì¤Î¥Ð¥Ã¥¯¥¨¥ó¥É¡¦¥×¥í¥»¥¹¤¬°ì»þŪ¤ - ÊʤÙÂØ¤¨¤Ë¤è¤Ã¤Æ»È¤¦¥á¥â¥ê¡¼¤ÎºÇÂ祵¥¤¥º¤òÁý¤ä¤¹¤³¤È¤â¤Ç¤¤Þ¤¹¡£ - ´ûÄêÃÍ¤Ï 1024 (¤¹¤Ê¤ï¤Á¡¢1MB)¤Ç¤¹¡£ - - ¤Þ¤¿¡¢CLUSTER - ¥³¥Þ¥ó¥É¤ò»È¤Ã¤Æ¡¢¥Æ¡¼¥Ö¥ë¤Î¥Ç¡¼¥¿¤ò¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ë¹ç¤ï¤»¤ë¤¿¤á¤Ë¥°¥ë¡¼ - ¥×²½¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£¾Ü¤·¤¯¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç CLUSTER - ¤ò¸«¤Æ²¼¤µ¤¤¡£ - - 3.7) ¤É¤Î¤è¤¦¤Ê¥Ç¥Ð¥°µ¡Ç½¤¬»È¤¨¤Þ¤¹¤«¡© - - PostgreSQL - ¤Ï¡¢¥Ç¥Ð¥°¤Î¤¿¤á¤Ë°ÕÌ£¤Î¤¢¤ë¡¢¾õÂÖ¾ðÊó¤òÊó¹ð¤¹¤ë¤¤¤¯¤Ä¤«¤Îµ¡Ç½¤ò»ý¤Á¤Þ - ¤¹¡£ - - ¤Þ¤º¡¢--enable-cassert ¥ª¥×¥·¥ç¥ó¤Ç configure - ¤òÁö¤é¤»¤Þ¤¹¡£¤½¤¦¤·¤Æ¥³¥ó¥Ñ¥¤¥ë¤¹¤ë¤³¤È¤Ë¤è¤ê¡¢Âô»³¤Î assert() - ¤¬¡¢¥Ð¥Ã¥¯¥¨¥ó¥É¤Î¿ÊĽ¾õ¶·¤ò´Æ»ë¤·¡¢²¿¤«Í½´ü¤»¤Ì¤³¤È¤¬µ¯¤ - ¤ë¤È¥×¥í¥°¥é¥à¤òÄä»ß¤¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ - - postmaster ¤È postgres - ¤ÎξÊý¤Ç¤¤¤¯¤Ä¤«¤Î¥Ç¥Ð¥°¡¦¥ª¥×¥·¥ç¥ó¤ÎÍøÍѤ¬¤Ç¤¤Þ¤¹¡£¤Þ¤º¡¢¼¡¤Î¤è¤¦¤Ë - postmaster ¤òµ¯Æ°¤¹¤ë¤È¤ - ¤Ï¤¤¤Ä¤Ç¤â¡¢É¸½à½ÐÎϤȥ¨¥é¡¼½ÐÎϤò¥í¥°¡¦¥Õ¥¡¥¤¥ë¤ËÁ÷¤ë¤è¤¦¤Ë¤·¤Æ¤¢¤ë¤³ - ¤È¤ò³Î¤«¤á¤Æ²¼¤µ¤¤¡£ - cd /usr/local/pgsql - ./bin/postmaster >server.log 2>&1 & - - ¤³¤ì¤Ë¤è¤ê PostgreSQL ¤ÎºÇ¾åÉô¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ë server.log - ¥Õ¥¡¥¤¥ë¤¬ÃÖ¤«¤ì¤Þ¤¹¡£¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¥µ¡¼¥Ð¡¼¤¬Áø¶ø¤·¤¿ÌäÂê¤ä¥¨¥é¡¼¤Ë¤Ä - ¤¤¤ÆÍÍѤʾðÊó¤ò´Þ¤ß¤Þ¤¹¡£Postmaster ¤Ï¹¹¤Ë¾ÜºÙ¤Ê¾ðÊó¤òÊó¹ð¤¹¤ë¤¿¤á¤Î - -d ¥ª¥×¥·¥ç¥ó¤ò»ý¤Á¤Þ¤¹¡£¤½¤Î -d - ¥ª¥×¥·¥ç¥ó¤Ï¡¢¥Ç¥Ð¥°¡¦¥ì¥Ù¥ë¤ò»ØÄꤷ¤Þ¤¹¡£¹â¤¤¥Ç¥Ð¥°¡¦¥ì¥Ù¥ë¤Ç¤Ï¡¢Âç¤ - ¤Ê¥í¥°¥Õ¥¡¥¤¥ë¤òÀ¸À®¤¹¤ë¤³¤È¤ËÃí°Õ¤·¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£ - - ¤â¤·¡¢postmaster¤¬Áö¤Ã¤Æ¤¤¤Ê¤±¤ì¤Ð¡¢postgres¥Ð¥Ã¥¯¥¨¥ó¥É¤ò¥³¥Þ¥ó¥É¥é¥¤ - ¥ó¤«¤éÁö¤é¤»¤ë¤³¤È¤¬¤Ç¤¡¢Ä¾ÀÜSQLʸ¤ò¥¿¥¤¥×¤¹¤ë¤³¤È¤¬¤Ç¤ - ¤Þ¤¹¡£¤³¤Î¤ä¤ê¤«¤¿¤Ï¡¢¥Ç¥Ð¥°ÌÜŪ¤Î¤È¤ - ¤À¤±¤ª¾©¤á¤·¤Þ¤¹¡£¥»¥ß¥³¥í¥ó¤Ç¤Ï¤Ê¤¯¡¢²þ¹Ô¤¬Ì䤤¹ç¤ï¤»¤Î½ª¤ê¤Ë¤Ê¤ë¤³¤È - ¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¤â¤·¡¢¥Ç¥Ð¥°¥·¥ó¥Ü¥ë¤òÆþ¤ì¤Æ¥³¥ó¥Ñ¥¤¥ë¤·¤Æ¤¤¤ì¤Ð¡¢ - ¥Ç¥Ð¥Ã¥¬¤ò»È¤Ã¤Æ²¿¤¬µ¯¤¤Æ¤¤¤ë¤«¤ò¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£postmaster - ¤«¤é¥Ð¥Ã¥¯¥¨¥ó¥É¤ò³«»Ï¤·¤¿¤ï¤±¤Ç¤Ï¤Ê¤¤¤Î¤Ç¡¢ÆÈΩ¤Ê´Ä¶ - ¤ÇÁö¤Ã¤Æ¤¤¤ë¤Î¤Ç¤Ï¤Ê¤¯¥í¥Ã¥¯¡¿¥Ð¥Ã¥¯¥¨¥ó¥É¤È¤ÎÂÐÏäÎÌäÂ꤬½ÅÊ£¤¹¤ë¤³¤È - ¤Ï¤¢¤ê¤Þ¤»¤ó¡£ - - ¤â¤·¡¢postmaster¤¬Áö¤Ã¤Æ¤¤¤ì¤Ð¡¢¤¢¤ë¥¦¥£¥ó¥É¥¦¤Çpsql¤ò³«»Ï¤¹¤ë¤È¡¢SELE - CT pg_backend_pid()¤ò»È¤Ã¤Æ¡¢psql ¤Ç»È¤ï¤ì¤ë postgres - ¥×¥í¥»¥¹¤ÎPID¤¬¸«¤Ä¤«¤ê¤Þ¤¹¡£ - ¥Ç¥Ð¥Ã¥¬¤ò»È¤Ã¤Æpostgres¤ÎPID¤Ë¥¢¥¿¥Ã¥Á(attach)¤·¤Þ¤¹¡£¥Ç¥Ð¥Ã¥¬¤ÎÃæ¤«¤ - é¥Ö¥ì¡¼¥¯¡¦¥Ý¥¤¥ó¥È¤ò¥»¥Ã¥È¤·¡¢psql - ¤«¤éÌ䤤¹ç¤ï¤»¤òȯ¹Ô¤·¤Þ¤¹¡£¥Ç¥Ð¥°¤Î¤¿¤á¤Ëpostgres¤ò»Ïư¤¹¤ë¾ì¹ç¤Ï¡¢PG - OPTIONS="-W n" ¤òÀßÄê¤Ç¤¡¢¤½¤ì¤«¤é¡¢psql ¤ò³«»Ï¤·¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢n - Éó«»Ï¤òÃ٤餻¤ë¤Ï¤º¤Ê¤Î¤Ç¡¢¥Ç¥Ð¥Ã¥¬¤Ç¥×¥í¥»¥¹¤Ë¥¢¥¿¥Ã¥Á¤·¤Æ¡¢¥Ö¥ì¡¼¥¯ - ¥Ý¥¤¥ó¥È¤òÀßÄꤷ¡¢³«»Ï¤«¤é½ç¤òÄɤäƸ«¤Æ¤æ¤¯¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - ¤¤¤¯¤Ä¤«¤Îlog_*¥µ¡¼¥Ð¹½À®ÊÑ¿ô¤Ï¡¢¥Ç¥Ð¥Ã¥°¤ÈÀ - ǽ¬Äê¤Ë¤È¤Æ¤âÌò¤ËΩ¤Ä¥×¥í¥»¥¹¤ÎÅý·×¤Î°õºþ¤ò²Äǽ¤Ë¤·¤Þ¤¹¡£ - - ²¿¤È¤¤¤¦´Ø¿ô¤¬¤É¤Î¤¯¤é¤¤¼Â¹Ô»þ´Ö¤ò¿©¤Ã¤Æ¤¤¤ë¤«¤ò¸«¤ë¤¿¤á¤Ë¡¢¥×¥í¥Õ¥¡¥¤ - ¥ê¥ó¥°¡Ê¥×¥í¥Õ¥£¡¼¥ëÉÕ¤ - ¡Ë¤Ç¥³¥ó¥Ñ¥¤¥ë¤¹¤ë¤³¤È¤â²Äǽ¤Ç¤¹¡£¤½¤Î¥Ð¥Ã¥¯¥¨¥ó¥É¤Î¥×¥í¥Õ¥£¡¼¥ë¡¦¥Õ¥¡ - ¥¤¥ë¤Ï pgsql/data/base/dbname - ¥Ç¥£¥ì¥¯¥È¥ê¤Ë³ÊǼ¤µ¤ì¤ë¤Ç¤·¤ç¤¦¡£¥¯¥é¥¤¥¢¥ó¥È¤Î¥×¥í¥Õ¥£¡¼¥ë¤Ï¥¯¥é¥¤¥¢ - ¥ó¥È¤Î¸½¹Ô¥Ç¥£¥ì¥¯¥È¥ê¤ËÃÖ¤«¤ì¤ë¤Ç¤·¤ç¤¦¡£Linux - ¤Ç¤Þ¤È¤â¤Ê¥×¥í¥Õ¥¡¥¤¥ê¥ó¥°¤ò¹Ô¤¦¤Ë¤Ï -DLINUX_PROFILE - ¤Ç¥³¥ó¥Ñ¥¤¥ë¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ - - 3.8) Àܳ¤·¤è¤¦¤È¤¹¤ë¤È¤¤Ë 'Sorry, too many clients' ¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - - postmaster¤¬Æ±»þ»Ïư¤Ç¤ - ¤ë¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤ËÂФ¹¤ëÀ©¸Â¿ô¤òÁý¤ä¤¹É¬Íפ¬¤¢¤ê¤Þ¤¹¡£ - - ´ûÄê¤ÎºÇÂç¥×¥í¥»¥¹¤Ï32¥×¥í¥»¥¹¤Ç¤¹¡£-N¤ËŬÀÚ¤ÊÃͤò°ú¿ô¤Ë¤·¤Æpostmaster - ¤òºÆµ¯Æ°¤¹¤ë¤«¡¢PostgreSQL.conf - ¤ò½¤Àµ¤¹¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢¤½¤ÎÃͤòÁý¤ä¤¹¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - ¤â¤·¡¢-N ¤ò 32¤è¤ê¤âÂ礤¯¤¹¤ë¤Î¤Ç¤¢¤ì¤Ð¡¢-B¤â´ûÄê¤Î64¤è¤êÂç¤ - ¤¤ÃͤËÁý²Ã¤µ¤»¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤·¡¢-B ¤Ï¾¯¤Ê¤¯¤È¤â -N - ¤Î2ÇܤϤʤ¯¤Æ¤Ï¤Ê¤é¤º¡¢¤ª¤½¤é¤¯ºÇ¹âÀǽ¤ò˾¤à¤Ê¤é¤Ð¤½¤ì¤è¤êÂç¤ - ¤¤Ãͤ¬É¬ÍפʤϤº¤Ç¤¹¡£¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤ò¤¿¤¯¤µ¤ó¤Ë¤¹¤ë¤È¡¢¤¤¤í¤¤¤í - ¤ÊUnix¥«¡¼¥Í¥ë¹½À®¥Ñ¥é¥á¡¼¥¿¤âÁý¤ä¤¹¤³¤È¤¬É¬Íפˤʤ뤫¤â¤·¤ì¤Þ¤»¤ó¡£ - ¶¦Í¥á¥â¥ê¡¼¡¦¥Ö¥í¥Ã¥¯¤ÎºÇÂçÃÍ(SHMMAX)¡¢ - ¥»¥Þ¥Õ¥©¤ÎºÇÂç¿ô(SEMMNS¤ÈSEMMNI)¡¢ ¥×¥í¥»¥¹¤ÎºÇÂç¿ô(NPROC)¡¢ - ¥æ¡¼¥¶Ëè¤ÎºÇÂç¥×¥í¥»¥¹¿ô(MAXUPRC)¡¢ - ³«¤¯¥Õ¥¡¥¤¥ë¤ÎºÇÂç¿ô(NFILE¤ÈNINODE) ¤â³Îǧ»ö¹à¤Ë´Þ¤Þ¤ì¤Þ¤¹¡£ - PostgreSQL¤Ëµö¤µ¤ì¤ë¥Ð¥Ã¥¯¥¨¥ó¥É¤Î¥×¥í¥»¥¹¿ô¤¬À©¸Â¤µ¤ì¤Æ¤¤¤ë¤Î¤Ï¡¢ - ¥·¥¹¥Æ¥à¤Î¥ê¥½¡¼¥¹¤ò»È¤¤²Ì¤·¤Æ¤·¤Þ¤¦¤³¤È¤òÈò¤±¤ë¤¿¤á¤Ç¤¹¡£ - - 3.9) pgsql_tmp ¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¤Ë¤Ï²¿¤¬¤¢¤ê¤Þ¤¹¤«¡© - - Ì䤤¹ç¤ï¤»¼Â¹Ô¥â¥¸¥å¡¼¥ë¤Ë¤è¤Ã¤ÆÀ¸À®¤µ¤ì¤¿°ì»þŪ¤Ê¥Õ¥¡¥¤¥ë¤¬¡¢¤³¤Î¥Ç¥£ - ¥ì¥¯¥È¥ê¤Ë´Þ¤Þ¤ì¤Þ¤¹¡£Î㤨¤Ð¡¢¤â¤· ORDER BY - ¶ç¤òËþ¤¿¤¹¤¿¤á¤Ë¥Ð¥Ã¥¯¥¨¥ó¥É¤Î -S ¥Ñ¥é¥á¡¼¥¿¤Çµö²Ä¤·¤¿Ãͤè¤ê¤âÂç¤ - ¤Ê¥¹¥Ú¡¼¥¹¤¬¥½¡¼¥È¤ÎºÝ¤ËɬÍפÀ¤È¤¹¤ë¤È¡¢°î¤ì¤¿¥Ç¡¼¥¿¤òÊÝ»ý¤¹¤ë¤¿¤á¤Ë°ì - »þŪ¤Ê¥Õ¥¡¥¤¥ë¤¬¤¤¤¯¤Ä¤«¤³¤³¤ËÀ¸À®¤µ¤ì¤Þ¤¹¡£ - - °ì»þŪ¤Ê¥Õ¥¡¥¤¥ë¤Ï¼«Æ°Åª¤Ë¾Ã¤·µî¤é¤ì¤ë¤Ï¤º¤Ç¤¹¤¬¡¢¤â¤·¡¢¥½¡¼¥È¤ÎÅÓÃæ¤Ç - ¥Ð¥Ã¥¯¥¨¥ó¥É¤¬¥¯¥é¥Ã¥·¥å¤·¤Æ¤·¤Þ¤¦¤È¤½¤¦¤Ï¤Ê¤ê¤Þ¤»¤ó¡£postmaster¤ÎÄä»ß - ¤È¥ê¥¹¥¿¡¼¥È¤Ç¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤Ï¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¾Ã¤·¤µ¤é¤ì¤Þ¤¹¡£ - [ÌõÃí¡§ - SYSLOGD ·Ðͳ¤Ç¥í¥°¤ò½ÐÎϤ¹¤ë¤Ë¤Ï¡¢¤Þ¤º¡¢configure ¤ò --enable-syslog - ÉÕ¤¤ÇÁö¤é¤»¤¿¸å¡¢¥³¥ó¥Ñ¥¤¥ë¤È¥¤¥ó¥¹¥È¡¼¥ë¤ò¹Ô¤Ê¤¤¤Þ¤¹¡£ - ¼¡¤Ë¡¢syslog.conf ¤Ë local?.* ¤Î ½ÐÎÏÀè¤ò»ØÄꤷ(´Ä¶ÊÑ¿ô¤ÇÊѹ¹²Äǽ)¡¢ - syslogd ¤Ë HUP ¥·¥°¥Ê¥ë¤òÁ÷¤Ã¤Æ½é´ü²½¤·¤Æ¤ª¤¤Þ¤¹¡£¤½¤·¤Æ¡¢ - $PGDATA/pg_options ¤Ë syslog=2 ¤ò²Ã¤¨¤Æ¡¢ postmaster ¤ò -S - ¥ª¥×¥·¥ç¥óÉÕ¤¤Ë¤Æ¥µ¡¼¥Ð¥â¡¼¥É¤Çµ¯Æ°¤·¤Þ¤¹¡£(¥Ð¡¼¥¸¥ç¥ó 7.1 ¤«¤é¤Ï - pg_options ¤Ï PostgreSQL.conf ¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£) - ] +2.3) PostgreSQL ¤Ë¥°¥é¥Õ¥£¥«¥ë¡¦¥æ¡¼¥¶¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï¤¢¤ê¤Þ¤¹¤«¡© - 3.10) - PostgreSQL¤Î¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¥¢¥Ã¥×¥Ç¡¼¥È¤¹¤ë¤Î¤Ë¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ò¤·¤Ê¤¯¤ - ƤϤʤé¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - - PostgreSQL¥Á¡¼¥à¤Ï¥Þ¥¤¥Ê¡¼¥ê¥ê¡¼¥¹¤Ç¤Ï¾®¤µ¤ÊÊѹ¹¤·¤«¹Ô¤Ê¤¤¤Þ¤»¤ó¤Î¤Ç¡¢ - 7.2 ¤«¤é 7.2.1 - ¤Ø¤Î¥¢¥Ã¥×¥°¥ì¡¼¥É¤Ë¤Ï¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ÎɬÍפϤ¢¤ê¤Þ¤»¤ó¡£¤·¤«¤·¡¢¥á¥¸ - ¥ã¡¼¥ê¥ê¡¼¥¹(¤¿¤È¤¨¤Ð¡¢7.2¤«¤é7.3¤Ø¤Î¤è¤¦¤Ê)¤Ç¤Ï¡¢¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤ä¥Ç - ¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎÆâÉô¥Õ¥©¡¼¥Þ¥Ã¥È¤ÎÊѹ¹¤ò¤·¤Ð¤·¤Ð¹Ô¤Ê¤¤¤Þ¤¹¡£¤³¤ì¤é¤ÎÊѹ¹ - ¤Ï¤¿¤¤¤Æ¤¤Ê£»¨¤Ç¡¢¤½¤Î¤¿¤á²æ¡¹¤Ï¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î¤¿¤á¤Î¸åÊý¸ß´¹À - ¤ò°Ý»ý¤¹¤ë¤³¤È¤¬¤Ç¤ - ¤Þ¤»¤ó¡£¥À¥ó¥×¤ÏÈÆÍÑ¥Õ¥©¡¼¥Þ¥Ã¥È¤Ç¥Ç¡¼¥¿¤ò½ÐÎϤ·¡¢¤½¤ì¤ò¿·¤·¤¤ÆâÉô¥Õ¥© - ¡¼¥Þ¥Ã¥È¤ËÆÉ¤ß¹þ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - ¥Ç¥£¥¹¥¯¾å¤Ç¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤ËÊѹ¹¤Î¤Ê¤¤Æ±°ì¥ê¥ê¡¼¥¹¤Ç¤Ï¡¢¥¢¥Ã¥×¥°¥ì¡¼¥É - ¤Ï¡¢¥À¥ó¥×¡¿¥ê¥¹¥È¥¢¤Ç¤Ï¤Ê¤¯¡¢pg_upgrade ¥¹¥¯¥ê¥×¥È¤ò»È¤¦¤³¤È¤¬¤Ç¤ - ¤Þ¤¹¡£¥ê¥ê¡¼¥¹¥Î¡¼¥È¤Ë¤Ï¡¢pg_upgrade ¤¬ÍøÍѲÄǽ¤Ê¥ê¥ê¡¼¥¹¤«¤É¤¦¤«µ - ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£ - - 3.11) ¥Ï¡¼¥É¥¦¥§¥¢¤Ë¤Ï¤É¤ó¤Ê¥³¥ó¥Ô¥å¡¼¥¿¤ò»È¤¨¤Ð¤è¤¤¤Ç¤¹¤«¡© - - PC¥Ï¡¼¥É¥¦¥§¥¢¤Ï¤Û¤È¤ó¤É¸ß´¹À - ¤¬¤¢¤ê¤Þ¤¹¤Î¤Ç¡¢¤Û¤È¤ó¤É¤Î¿Í¤Ï¡¢¤¹¤Ù¤Æ¤ÎPC¥Ï¡¼¥É¥¦¥§¥¢¤¬Æ±¤¸ÉʼÁ¤À¤È»× - ¤¤¹þ¤à·¹¸þ¤¬¤¢¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤½¤ì¤Ï´Ö°ã¤¤¤Ç¤¹¡£ECC - RAM¡¢SCSI¡¢¤ª¤è¤Ó¡¢¹âÉʼÁ¥Þ¥¶¡¼¥Ü¡¼¥É¤Ï¡¢°Â¤¤¥Ï¡¼¥É¥¦¥§¥¢¤ËÈæ¤Ù¤ë¤È¡¢¤ - è¤ê¿®ÍêÀ¤¬¹â¤¯¡¢¤è¤êÀǽ¤âÎɤ¤¤Î¤Ç¤¹¡£PostgreSQL - ¤Ï¤Û¤È¤ó¤É¤Î¥Ï¡¼¥É¥¦¥§¥¢¤Ç²ÔƯ¤·¤Þ¤¹¤¬¡¢¿®ÍêÀ¤äÀ - ǽ¤¬½ÅÍפʾì¹ç¤Ï¡¢¥Ï¡¼¥É¥¦¥§¥¢¤Î¥ª¥×¥·¥ç¥ó¤ò¸¦µæ¤¹¤ë¤³¤È¤¬¸ - ÌÀ¤Ç¤¹¡£¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ç¤â¥Ï¡¼¥É¥¦¥§¥¢¥ª¥×¥·¥ç¥ó¤È¥È¥ì¡¼¥É¥ª¥Õ¤Ë¤Ä¤¤ - ¤ÆµÄÏÀ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - _________________________________________________________________ +¤â¤Á¤í¤ó¡¢¤¢¤ê¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢http://techdocs.postgresql.org/guides/GUITools ¤ò¤´ +¤é¤ó¤¯¤À¤µ¤¤¡£ + +¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬ + + ´ÉÍý¾å¤Î¼ÁÌä + +3.1) ¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð /usr/local/pgsql °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤¤Þ¤¹¤«¡© + +´Êñ¤ÊÊýË¡¤Ï¡¢ configure ¤òÁö¤é¤»¤ë¤È¤¤Ë --prefix ¥ª¥×¥·¥ç¥ó¤ò»ØÄꤹ¤ë¤³¤È¤Ç¤¹ +¡£ + +3.2) ¾¤Î¥Û¥¹¥È¤«¤é¤ÎÀܳ¤Ï¤É¤Î¤è¤¦¤ËÀ©¸æ¤·¤Þ¤¹¤«¡© + +´ûÄêÃͤǤϡ¢PostgreSQL ¤Ï Unix ¥É¥á¥¤¥ó¥½¥±¥Ã¥È¡¢¤Þ¤¿¤Ï¡¢TCP/IPÀܳ¤Î¥í¡¼¥«¥ë¥Þ +¥·¥ó¤«¤é¤ÎÀܳ¤·¤«µö¤·¤Þ¤»¤ó¡£postgresql.conf ¤ÎÃæ¤Î listen_addresses ¤ò½¤Àµ¤· +¡¢¤«¤Ä¡¢$PGDATA/pg_hba.conf ¥Õ¥¡¥¤¥ë¤òŬÀڤ˾¤·¤Æ¡¢¥Û¥¹¥È¼çƳ·¿Ç§¾Ú¤ò͸ú¤Ë¤· +¤Ê¤¤¤«¤®¤ê¤Ï¡¢Â¾¤Î¥Þ¥·¥ó¤«¤é¤ÏÀܳ¤Ç¤¤Ê¤¤¤Ç¤·¤ç¤¦¡£ + +3.3) ¤è¤êÎɤ¤Àǽ¤òÆÀ¤ë¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥¨¥ó¥¸¥ó¤ò¤É¤Î¤è¤¦¤ËÄ´À°¤·¤Þ¤¹¤« +¡© + +Àǽ²þÁ±¤Î²ÄǽÀ¤Î¤¢¤ê¤½¤¦¤Ê¼ç¤ÊÎΰ褬3¤Ä¤¢¤ê¤Þ¤¹¡§ + +¥¯¥¨¥ê¤ÎÊѹ¹ + ¥¯¥¨¥ê¤ò½¤Àµ¤·¤Æ¤è¤êÎɤ¤Àǽ¤òÆÀ¤ë¤³¤È¤ò´Þ¤ß¤Þ¤¹¡§ + ¢¢ ¼°¤ª¤è¤ÓÉôʬ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò´Þ¤à¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºîÀ® + ¢¢ Ê£¿ô¤ÎINSERT¤Î¤«¤ï¤ê¤ËCOPY¤ò»ÈÍÑ + ¢¢ Ê£¿ô¤Îʸ¤ò¥°¥ë¡¼¥×²½¤·¡¢1¤Ä¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Ë¤·¤Æ¥³¥ß¥Ã¥È¤Î¥ª¡¼¥Ð¥Ø¥Ã + ¥É¤òºï¸º + ¢¢ ¥¤¥ó¥Ç¥Ã¥¯¥¹¤«¤é¤«¤éÂô»³¤Î¥í¥¦¤ò¼è¤ê½Ð¤¹¤È¤¤ÏCLUSTER¤ò»ÈÍÑ + ¢¢ ¥¯¥¨¥ê¤Î½ÐÎϤΥµ¥Ö¥»¥Ã¥È¤òÊÖ¤¹¤¿¤á¤ËLIMIT¤ò»ÈÍÑ + ¢¢ ½àÈ÷¤µ¤ì¤Æ¤¤¤ë¥¯¥¨¥ê¤ò»ÈÍÑ + ¢¢ ¥ª¥×¥Æ¥£¥Þ¥¤¥¶¤ÎÀµ³Î¤ÊÅý·×¤ò°Ý»ý¤¹¤ë¤¿¤á¤ËANALYZE¤ò»ÈÍÑ + ¢¢ VACUUM ¤Þ¤¿¤Ï pg_autovacuum ¤Î¾ïÍÑ + ¢¢ Â礤ʥǡ¼¥¿Êѹ¹¤Î¤¢¤ë¤È¤¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºï½ü - Áàºî¾å¤Î¼ÁÌä - - 4.1) ¥Ð¥¤¥Ê¥ê¡¦¥«¡¼¥½¥ë¤ÈÄ̾參¡¼¥½¥ë¤È¤Î¸·Ì©¤Ê°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© - - ¾Ü½Ò¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç DECLARE ¤ò¸«¤Æ²¼¤µ¤¤¡£ - 4.2) ºÇ½é¤Î¿ô¥í¥¦¤Î¤ß¤ò SELECT¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©¥é¥ó¥À¥à¤Ê¥í¥¦¡© - - ¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤ÇFETCH¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£¤¢¤ë¤¤¤Ï¡¢SELECT ... - LIMIT....¤ò»È¤Ã¤Æ¤ß¤Æ²¼¤µ¤¤¡£ +¥µ¡¼¥Ð¹½À® + postgresql.conf¤ÎÀßÄê¤Î¤¤¤¯¤Ä¤«¤ÏÀǽ¤Ë±Æ¶Á¤·¤Þ¤¹¡£¾Ü¤·¤¯¤Ï¡¢ + Administration Guide/Server Run-time Environment/Run-time Configuration ¤Î + Á´·ï¥ê¥¹¥È¤´¤é¤ó¤¯¤À¤µ¤¤( JPUG¥µ¥¤¥È¤ÎÆüËܸìÈÇ)¡£¤½¤·¤Æ¡¢²òÀâ¤È¤·¤Æ¡¢ http: + //www.varlena.com/varlena/GeneralBits/Tidbits/annotated_conf_e.html ¤ª¤è¤Ó + ¡¢ http://www.varlena.com/varlena/GeneralBits/Tidbits/perf.html ¤ò¤´¤é¤ó¤¯ + ¤À¤µ¤¤¡£ - ¤¿¤È¤¨¡¢Íߤ·¤¤¤Î¤ÏºÇ½é¤Î¿ô¥í¥¦¤À¤±¤Ç¤â¡¢¤¹¤Ù¤Æ¤ÎÌ䤤¹ç¤ï¤»¤òɾ²Á¤·¤Ê¤¯ - ¤Æ¤Ï¤Ê¤é¤Ê¤¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£ORDER BY - ¤ò»ý¤Ã¤¿Ì䤤¹ç¤ï¤»¤ò»È¤¦¤³¤È¤ò¹Í¤¨¤Æ¤ß¤Æ²¼¤µ¤¤¡£ ¤â¤·¡¢ORDER - BY¤Ë¹ç¤Ã¤¿¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬¤¢¤ë¤È¤¹¤ë¤È - PostgreSQL¤ÏÍ׵ᤵ¤ì¤¿ºÇ½é¤Î¿ô¥í¥¦¤À¤±¤Çɾ²Á¤Ç¤ - ¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¤¬¡¢¤Ç¤Ê¤ì¤Ð¡¢PostgreSQL - ¤Ï°Õ¿Þ¤·¤¿¥í¥¦¤¬À¸À®¤µ¤ì¤ë¤Þ¤Ç¤¹¤Ù¤Æ¤Î¥í¥¦¤òɾ²Á¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤«¤â - ¤·¤ì¤Þ¤»¤ó¡£ +¥Ï¡¼¥É¥¦¥§¥¢¤ÎÁªÄê + Àǽ¤Ë¤ª¤±¤ë¥Ï¡¼¥É¥¦¥§¥¢¤Î±Æ¶Á¤Ï http://candle.pha.pa.us/main/writings/ + pgsql/hw_performance/index.html (JPUG¥µ¥¤¥È¤ÎÆüËܸìÈÇ) ¤È http:// + www.powerpostgresql.com/PerfList/ ¤Ë½Ò¤Ù¤é¤ì¤Æ¤¤¤Þ¤¹¡£ - ¥é¥ó¥À¥à¤Ê¥í¥¦¤òSELECT¤¹¤ë¤Ë¤Ï¡¢¼¡¤Îʸ¤ò»È¤¤¤Þ¤¹¡§ + +3.4) ¤É¤Î¤è¤¦¤Ê¥Ç¥Ð¥°µ¡Ç½¤¬»È¤¨¤Þ¤¹¤«¡© + +¥µ¡¼¥Ð¹½À®ÊÑ¿ô¤Ë¤Ï¿¤¯¤Î log_* ¤¬¤¢¤ê¡¢¥¯¥¨¥ê¤È¥×¥í¥»¥¹¤ÎÅý·×¤ò½ÐÎϤ¹¤ë¤³¤È¤¬¤Ç +¤¡¢¥Ç¥Ð¥°¤ÈÀǽ·×¬¤Ë¤È¤Æ¤âÊØÍø¤Ç¤¹¡£ + +3.5) Àܳ¤·¤è¤¦¤È¤¹¤ë¤È¤¤Ë 'Sorry, too many clients' ¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© + +´ûÄê¤Ç¤ÎÀ©¸Â¤Ç¤¢¤ë 100 ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¥»¥Ã¥·¥ç¥ó¤Ë㤷¤Æ¤·¤Þ¤Ã¤Æ¤¤¤Þ¤¹¡£ +postmaster¤¬Æ±»þÀܳ¤Ç¤¤ë¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤ÎÀ©¸Â¿ô¤òÁý¤ä¤¹É¬Íפ¬¤¢¤ê¤Þ¤¹¡£ +postgresql.conf ¤ÎÃæ¤Î max_connections ¤ÎÃͤòÊѹ¹¤·¤Æ postmaster¤òºÆµ¯Æ°¤¹¤ë¤³ +¤È¤Ç²Äǽ¤Ë¤Ê¤ê¤Þ¤¹¡£ + +3.6) PostgreSQL¤Î¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¥¢¥Ã¥×¥Ç¡¼¥È¤¹¤ë¤Î¤Ë¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ò¤·¤Ê¤¯ +¤Æ¤Ï¤Ê¤é¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© + +PostgreSQL¥Á¡¼¥à¤Ï¥Þ¥¤¥Ê¡¼¥ê¥ê¡¼¥¹¤Ç¤Ï¾®¤µ¤ÊÊѹ¹¤·¤«¹Ô¤Ê¤¤¤Þ¤»¤ó¤Î¤Ç¡¢7.4.0 ¤« +¤é 7.4.1 ¤Ø¤Î¥¢¥Ã¥×¥°¥ì¡¼¥É¤Ë¤Ï¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ÎɬÍפϤ¢¤ê¤Þ¤»¤ó¡£¤·¤«¤·¡¢¥á¥¸ +¥ã¡¼¥ê¥ê¡¼¥¹(¤¿¤È¤¨¤Ð¡¢7.2¤«¤é7.3¤Ø¤Î¤è¤¦¤Ê) ¤Ç¤Ï¡¢¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤ä¥Ç¡¼¥¿¥Õ¥¡ +¥¤¥ë¤ÎÆâÉô¥Õ¥©¡¼¥Þ¥Ã¥È¤ÎÊѹ¹¤ò¤·¤Ð¤·¤Ð¹Ô¤Ê¤¤¤Þ¤¹¡£¤³¤ì¤é¤ÎÊѹ¹¤Ï¤¿¤¤¤Æ¤¤Ê£»¨¤Ç +¡¢¤½¤Î¤¿¤á²æ¡¹¤Ï¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î¤¿¤á¤Î¸åÊý¸ß´¹À¤ò°Ý»ý¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤»¤ó¡£¥À +¥ó¥×¤ÏÈÆÍÑ¥Õ¥©¡¼¥Þ¥Ã¥È¤Ç¥Ç¡¼¥¿¤ò½ÐÎϤ·¡¢¤½¤ì¤ò¿·¤·¤¤ÆâÉô¥Õ¥©¡¼¥Þ¥Ã¥È¤ËÆÉ¤ß¹þ¤à +¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + +3.7) ¥Ï¡¼¥É¥¦¥§¥¢¤Ë¤Ï¤É¤ó¤Ê¥³¥ó¥Ô¥å¡¼¥¿¤ò»È¤¨¤Ð¤è¤¤¤Ç¤¹¤«¡© + +PC¥Ï¡¼¥É¥¦¥§¥¢¤Ï¤Û¤È¤ó¤É¸ß´¹À¤¬¤¢¤ê¤Þ¤¹¤Î¤Ç¡¢¤Û¤È¤ó¤É¤Î¿Í¤Ï¡¢¤¹¤Ù¤Æ¤ÎPC¥Ï¡¼¥É +¥¦¥§¥¢¤¬Æ±¤¸ÉʼÁ¤À¤È»×¤¤¹þ¤à·¹¸þ¤¬¤¢¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤½¤ì¤Ï´Ö°ã¤¤¤Ç¤¹¡£ECC RAM¡¢ +SCSI¡¢¤ª¤è¤Ó¡¢¹âÉʼÁ¥Þ¥¶¡¼¥Ü¡¼¥É¤Ï¡¢°Â¤¤¥Ï¡¼¥É¥¦¥§¥¢¤ËÈæ¤Ù¤ë¤È¡¢¤è¤ê¿®ÍêÀ¤¬¹â +¤¯¡¢¤è¤êÀǽ¤âÎɤ¤¤Î¤Ç¤¹¡£ PostgreSQL ¤Ï¤Û¤È¤ó¤É¤Î¥Ï¡¼¥É¥¦¥§¥¢¤Ç²ÔƯ¤·¤Þ¤¹¤¬¡¢ +¿®ÍêÀ¤äÀǽ¤¬½ÅÍפʾì¹ç¤Ï¡¢¥Ï¡¼¥É¥¦¥§¥¢¤Î¥ª¥×¥·¥ç¥ó¤ò¸¦µæ¤¹¤ë¤³¤È¤¬¸ÌÀ¤Ç¤¹¡£ +¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ç¤â¥Ï¡¼¥É¥¦¥§¥¢¥ª¥×¥·¥ç¥ó¤È¥È¥ì¡¼¥É¥ª¥Õ¤Ë¤Ä¤¤¤ÆµÄÏÀ¤¹¤ë¤³¤È¤¬ +¤Ç¤¤Þ¤¹¡£ + +¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬ + + Áàºî¾å¤Î¼ÁÌä + +4.1) ºÇ½é¤Î¿ô¥í¥¦¤Î¤ß¤ò SELECT¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©¥é¥ó¥À¥à¤Ê¥í¥¦¡© + +¤¿¤Ã¤¿¤Î¿ô¹Ô¤Î¥í¥¦¤ò¼è¤ê½Ð¤¹¤¿¤á¤Ë¡¢²¿¹ÔɬÍפ«¤¬¤ï¤«¤ì¤Ð¡¢ SELECT ¤Î¤È¤¤Ë +LIMIT ¤ò»È¤¤¤Þ¤¹¡£ ORDER BY¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬¥Þ¥Ã¥Á¤·¤¿¾ì¹ç¡¢¤Þ¤Ã¤¿¤¯¥¯¥¨¥ê¤¬¼Â¹Ô +¤µ¤ì¤Ê¤¤¤³¤È¤â¤¢¤ê¤Þ¤¹¡£SELECT ¤Î¤È¤¤Ë²¿¹Ô¤¬É¬Íפ«¤òÃΤé¤Ê¤±¤ì¤Ð¡¢¥«¡¼¥½¥ë¤ò»È +¤¤FETCH¤·¤Þ¤¹¡£ + +¥é¥ó¥À¥à¥í¥¦¤òSELECT¤¹¤ë¤Ë¤Ï¡¢¼¡¤Îʸ¤ò»È¤¤¤Þ¤¹¡§ + SELECT col FROM tab ORDER BY random() LIMIT 1; - 4.3) ¥Æ¡¼¥Ö¥ë¤ä¤½¤Î¾¤Î¾ðÊó¤Î¥ê¥¹¥È¤ò psql ¤Ç¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - - psql¤ÎÃæ¤Ç¡¢ \dt ¥³¥Þ¥ó¥É¤ò»È¤Ã¤Æ¥Æ¡¼¥Ö¥ë¤ò¸«¤Þ¤¹¡£psql - ¤ÎÃæ¤Î¥³¥Þ¥ó¥É¤Î´°Á´¤Ê¥ê¥¹¥È¤Ë¤Ï \? - ¤ò»È¤¨¤Þ¤¹¡£¤¢¤ë¤¤¤Ï¡¢psql¤Î¥½¡¼¥¹¥³¡¼¥É¤Îpgsql/src/bin/psql/describe. - c¥Õ¥¡¥¤¥ë¤ò¸«¤ë¤³¤È¤â¤Ç¤ - ¤Æ¡¢¤½¤ÎÃæ¤Ë¤Ïpsql¤Î¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¥³¥Þ¥ó¥É¤Î½ÐÎϤòÀ¸À®¤¹¤ëSQL¥³¥Þ¥ó¥ - ɤ¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£¤Þ¤¿¡¢psql¤ò -E - ¥ª¥×¥·¥ç¥ó¤È°ì½ï¤Ë³«»Ï¤¹¤ë¤È¡¢¼Â¹Ô¤µ¤»¤¿¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë¤¿¤á¤Ë»È¤¦Ìä - ¤¤¹ç¤ï¤»¤ò½ÐÎϤ¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£PostgreSQL¤Ï¤Þ¤¿¡¢SQLiÂбþ¤Î - INFORMATION SCHEMA - ¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤òÍѰդ·¤Æ¤¤¤Æ¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤òÆÀ¤ë¤¿¤á¤Ë - Ì䤤¹ç¤ï¤»¤ò»È¤¦¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - 4.4) - ¥Æ¡¼¥Ö¥ë¤«¤é¥«¥é¥à¤Îºï½ü¡¢¤¢¤ë¤¤¤Ï¡¢¥Ç¡¼¥¿·¿¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - - DROP COLUMNµ¡Ç½¤¬¡¢ALTER TABLE DROP COLUMN ¤È¤·¤Æ¥ê¥ê¡¼¥¹7.3 - ¤Ë²Ã¤¨¤é¤ì¤Þ¤·¤¿¡£¤½¤ì¤Þ¤Ç¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢¤½¤ÎÂå¤ï¤ê¤Ë¤³¤¦¤·¤Þ¤¹: - BEGIN; - LOCK TABLE old_table; - SELECT ... -- ºï½ü¤·¤¿¤¤¥«¥é¥à°Ê³°¤Î¥«¥é¥à¤ò¤¹¤Ù¤ÆÁªÂò¤·¤Þ¤¹¡£ - INTO TABLE new_table - FROM old_table; - DROP TABLE old_table; - ALTER TABLE new_table RENAME TO old_table; - COMMIT; - - ¥«¥é¥à¤Î¥Ç¡¼¥¿¥¿¥¤¥×¤Ï¼¡¤Îʸ¤ÇÊѤ¨¤é¤ì¤Þ¤¹¡§ +4.2) ÄêµÁ¤µ¤ì¤¿¥Æ¡¼¥Ö¥ë¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¢¤ª¤è¤Ó¡¢¥æ¡¼¥¶¤ò¤É¤Î¤è¤¦¤Ë +¤·¤Æ¸«¤Ä¤±½Ð¤·¤Þ¤¹¤«¡©psql¤Ç»È¤ï¤ì¤Æ¤¤¤ë¥¯¥¨¥ê¤òɽ¼¨¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© + +psql ¤ÎÃæ¤Ç \dt¥³¥Þ¥ó¥É¤ò¤ò»È¤Ã¤Æ¥Æ¡¼¥Ö¥ë¤ò¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£psql¤ÎÃæ¤Ç \? ¤ò +»È¤Ã¤Æ¡¢¥³¥Þ¥ó¥É¤ÎÁ´¥ê¥¹¥È¤òÄ´¤Ù¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£°ìÊý¤Ç¡¢psql ¤Î¥½¡¼¥¹¥³¡¼¥É¤Ç +¡¢¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¥³¥Þ¥ó¥É¤ò½ÐÎϤ¹¤ë pgsql/src/bin/psql/describe.c ¥Õ¥¡¥¤¥ë¤òÆÉ +¤à¤³¤È¤â¤Ç¤¤Þ¤¹¡£¤½¤ÎÃæ¤Ë¤Ï¡¢ SQL ¥³¥Þ¥ó¥É¤òÀ¸À®¤¹¤ëÉôʬ¤â´Þ¤Þ¤ì¤Þ¤¹¡£¤Þ¤¿¡¢ +-E ¥ª¥×¥·¥ç¥ó¤òÉÕ¤±¤Æ psql ¤ò³«»Ï¤¹¤ë¤È¡¢ÆþÎϤµ¤ì¤¿¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë¤¿¤á¤Î¥¯¥¨ +¥ê¤ò°õ»ú½ÐÎϤ¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ PostgreSQL¤Ï SQL ½àµò¤Î INFORMATION SCHEMA ¥¤ +¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤òÄ󶡤·¤Þ¤¹¤Î¤Ç¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤òÌ䤤¹ç¤ï¤»¤ë¤³¤È¤â +¤Ç¤¤Þ¤¹¡£ + +pg_ ¤Ç»Ï¤Þ¤ë¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤Ç¤â¤³¤ì¤é¤òµ½Ò¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + +psql -l¤ò»È¤¦¤ÈÁ´¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥ê¥¹¤È¤·¤Þ¤¹¡£ + +¤½¤ì¤È¡¢pgsql/src/tutorial/syscat.source ¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£¤½¤³¤Ë¤Ï¡¢¥Ç¡¼¥¿ +¥Ù¡¼¥¹¤Î¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤«¤é¾ðÊó¤òÆÀ¤ë¤¿¤á¤ËɬÍ×¤Ê SELECT ʸ¤¬Âô»³¤¢¤ê¤Þ¤¹¡£ + +4.3) ¥«¥é¥à¤Î¥Ç¡¼¥¿·¿¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© + +¥«¥é¥à¤Î¥Ç¡¼¥¿·¿¤ÎÊѹ¹¤Ï 8.0 °Ê¹ß¤Ç¤Ï¡¢ ALTER TABLE ALTER COLUMN TYPE ¤ò»È¤¦¤³ +¤È¤Ë¤è¤ê´Öñ¤Ë¤Ê¤ê¤Þ¤·¤¿¡£ + +¤½¤ì¤è¤êÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢°Ê²¼¤Î¤è¤¦¤Ë¤·¤Þ¤¹: + BEGIN; ALTER TABLE tab ADD COLUMN new_col new_data_type; UPDATE tab SET new_col = CAST(old_col AS new_data_type); ALTER TABLE tab DROP COLUMN old_col; COMMIT; - ¤³¤ì¤ò¹Ô¤Ê¤Ã¤¿¤È¤ - ¤Ï¡¢Ëõ¾Ã¤µ¤ì¤¿¹Ô¤¬»È¤Ã¤Æ¤¤¤ë¥Ç¥£¥¹¥¯¶õ´Ö¤ò²ó¼ý¤¹¤ë¤¿¤á¤ËVACUUM FULL - tab¤ò¤·¤¿¤Û¤¦¤¬Îɤ¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£ - - 4.5) ¥í¥¦¡¢¥Æ¡¼¥Ö¥ë¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º¤Ï¡© - - À©¸Â¤Ï°Ê²¼¤Î¤È¤ª¤ê¤Ç¤¹¡£ -¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º? À©¸Â̵¤· (32 TB ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤â¸ºß¤·¤Þ¤¹) -¥Æ¡¼¥Ö¥ë¤ÎºÇÂ祵¥¤¥º? 32TB -¥í¥¦¤ÎºÇÂ祵¥¤¥º? 1.6TB -¥Õ¥£¡¼¥ë¥É¤ÎºÇÂ祵¥¤¥º? 1GB -¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂç¥í¥¦¿ô? À©¸Â̵¤· -¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祫¥é¥à¿ô? ¥«¥é¥à¤Î·¿¤Ë¤è¤ê250-1600 -¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祤¥ó¥Ç¥Ã¥¯¥¹¿ô? À©¸Â̵¤· - - ¤â¤Á¤í¤ó¡¢¤³¤ì¤é¤Ï¼ÂºÝ¤Ï̵À©¸Â¤Ç¤Ï¤Ê¤¯¡¢¥Ç¥£¥¹¥¯ÍÆÎ̤ȥá¥â¥ê¡¼¤ä¥¹¥ï¥Ã - ¥×¥¹¥Ú¡¼¥¹¤ÎÂ礤µ¤Ë¤è¤êÀ©¸Â¤µ¤ì¤Þ¤¹¡£Àǽ¤Ï¤³¤ì¤é¤ÎÃͤ¬¤³¤È¤Î¤Û¤«Âç¤ - ¤Ê»þ¤ËÀú¤ê¤ò¼õ¤±¤Þ¤¹¡£ - - ºÇÂç¥Æ¡¼¥Ö¥ë¥µ¥¤¥º¤Î32TB¤Ï¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ë¤è¤ëµðÂç¥Õ¥¡¥¤¥ë¤Î - ¥µ¥Ý¡¼¥È¤ÏɬÍפȤ·¤Þ¤»¤ó¡£µðÂç¤Ê¥Æ¡¼¥Ö¥ë¤ÏÊ£¿ô¤Î1GB¤Î¥Õ¥¡¥¤¥ë¤Ëʬ¤±¤ÆÊ - ݸ¤µ¤ì¤Þ¤¹¤Î¤Ç¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÀ©¸Â¤Ï½ÅÍפǤϤ¢¤ê¤Þ¤»¤ó¡£ - - ¥Ç¥Õ¥©¥ë¥È¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ò32k¤Ë¤¹¤ë¤³¤È¤Ç¡¢ºÇÂç¥Æ¡¼¥Ö¥ë¥µ¥¤¥º¤ÈºÇÂç¥ - «¥é¥à¿ô¤È¤ò£´Çܤˤ¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - 4.6) °ìÈÌŪ¤Ê¥Æ¥ - ¥¹¥È¥Õ¥¡¥¤¥ë¤«¤é¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¥£¥¹¥¯ÍÆÎ̤ϤɤΤ¯¤é¤ - ¤É¬ÍפǤ¹¡© - - ÉáÄ̤Υƥ¥¹¥È¥Õ¥¡¥¤¥ë¤ò PostgreSQL - ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÊݸ¤¹¤ë¤Ë¤Ï¡¢ºÇÂç¤ÇÌó5ÇܤΥǥ£¥¹¥¯ÍÆÎ̤òɬÍפȤ·¤Þ¤¹¡ - £ +¤³¤ì¤ò¹Ô¤Ê¤Ã¤¿¤È¤¤Ï¡¢Ëõ¾Ã¤µ¤ì¤¿¹Ô¤¬»È¤Ã¤Æ¤¤¤ë¥Ç¥£¥¹¥¯¶õ´Ö¤ò²ó¼ý¤¹¤ë¤¿¤á¤Ë +VACUUM FULL tab¤ò¤·¤¿¤Û¤¦¤¬Îɤ¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£ + +4.4) ¥í¥¦¡¢¥Æ¡¼¥Ö¥ë¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º¤Ï¡© + +À©¸Â¤Ï°Ê²¼¤Î¤È¤ª¤ê¤Ç¤¹: + + ¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º? À©¸Â̵¤· (32 TB ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤â¸ºß¤·¤Þ + ¤¹) + ¥Æ¡¼¥Ö¥ë¤ÎºÇÂ祵¥¤¥º? 32 TB + ¥í¥¦¤ÎºÇÂ祵¥¤¥º? 1.6TB + ¥Õ¥£¡¼¥ë¥É¤ÎºÇÂ祵¥¤¥º? 1 GB + ¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂç¥í¥¦¿ô? À©¸Â̵¤· + ¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祫¥é¥à¿ô? ¥«¥é¥à¤Î·¿¤Ë¤è¤Ã¤Æ 250-1600 + ¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祤¥ó¥Ç¥Ã¥¯¥¹ À©¸Â̵¤· + ¿ô? - ÎãÂê¤È¤·¤Æ¡¢³Æ¹Ô¤ËÀ°¿ô¤È¥Æ¥¥¹¥Èµ½Ò¤ò»ý¤Ä 100,000¹Ô¤Î¥Õ¥¡¥¤¥ë¤ò¹Í¤¨ - ¤Æ¤ß¤Þ¤·¤ç¤¦¡£¥Æ¥ - ¥¹¥È¤Îʸ»úÎó¤ÎÊ¿¶ÑŤµ¤ò20¥Ð¥¤¥È¤È²¾Äꤹ¤ë¤È¡¢¥Õ¥é¥Ã¥È ¥Õ¥¡¥¤¥ë¤ÎÂç¤ - ¤µ¤ÏÌó2.8MB ¤Ç¤¹¡£¤³¤Î¥Ç¡¼¥¿¤ò´Þ¤à PostgreSQL ¥Ç¡¼¥¿¥Ù¡¼¥¹ - ¥Õ¥¡¥¤¥ë¤ÎÂ礤µ¤Ï¼¡¤Î¤è¤¦¤ËÌó6.4MB¤È¸«ÀѤâ¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡§ +¤â¤Á¤í¤ó¡¢¤³¤ì¤é¤Ï¼ÂºÝ¤Ï̵À©¸Â¤Ç¤Ï¤Ê¤¯¡¢¥Ç¥£¥¹¥¯ÍÆÎ̤ȥá¥â¥ê¡¼¤ä¥¹¥ï¥Ã¥×¥¹¥Ú¡¼ +¥¹¤ÎÂ礤µ¤Ë¤è¤êÀ©¸Â¤µ¤ì¤Þ¤¹¡£Àǽ¤Ï¤³¤ì¤é¤ÎÃͤ¬¤³¤È¤Î¤Û¤«Â礤ʻþ¤ËÀú¤ê¤ò¼õ¤± +¤Þ¤¹¡£ + +ºÇÂç¥Æ¡¼¥Ö¥ë¥µ¥¤¥º¤Î32TB¤Ï¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ë¤è¤ëµðÂç¥Õ¥¡¥¤¥ë¤Î¥µ¥Ý¡¼¥È +¤ÏɬÍפȤ·¤Þ¤»¤ó¡£µðÂç¤Ê¥Æ¡¼¥Ö¥ë¤ÏÊ£¿ô¤Î1GB¤Î¥Õ¥¡¥¤¥ë¤Ëʬ¤±¤ÆÊݸ¤µ¤ì¤Þ¤¹¤Î¤Ç¡¢ +¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÀ©¸Â¤Ï½ÅÍפǤϤ¢¤ê¤Þ¤»¤ó¡£ + +¥Ç¥Õ¥©¥ë¥È¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ò32k¤Ë¤¹¤ë¤³¤È¤Ç¡¢ºÇÂç¥Æ¡¼¥Ö¥ë¥µ¥¤¥º¤ÈºÇÂ祫¥é¥à¿ô¤È +¤ò4Çܤˤ¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + +4.5) °ìÈÌŪ¤Ê¥Æ¥¥¹¥È¥Õ¥¡¥¤¥ë¤Î¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¥£¥¹¥¯ÍÆÎÌ +¤Ï¤É¤Î¤¯¤é¤¤É¬ÍפǤ¹¡© + +ÉáÄ̤Υƥ¥¹¥È¥Õ¥¡¥¤¥ë¤ò PostgreSQL ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÊݸ¤¹¤ë¤Ë¤Ï¡¢ºÇÂç¤ÇÌó5ÇܤΠ+¥Ç¥£¥¹¥¯ÍÆÎ̤òɬÍפȤ·¤Þ¤¹¡£ + +ÎãÂê¤È¤·¤Æ¡¢³Æ¹Ô¤ËÀ°¿ô¤È¥Æ¥¥¹¥Èµ½Ò¤ò»ý¤Ä 100,000¹Ô¤Î¥Õ¥¡¥¤¥ë¤ò¹Í¤¨¤Æ¤ß¤Þ¤·¤ç +¤¦¡£¥Æ¥¥¹¥È¤Îʸ»úÎó¤ÎÊ¿¶ÑŤµ¤ò20¥Ð¥¤¥È¤È²¾Äꤹ¤ë¤È¡¢¥Õ¥é¥Ã¥È¥Õ¥¡¥¤¥ë¤ÎÂ礤µ +¤ÏÌó2.8MB ¤Ç¤¹¡£¤³¤Î¥Ç¡¼¥¿¤ò´Þ¤à PostgreSQL ¥Ç¡¼¥¿¥Ù¡¼¥¹¥Õ¥¡¥¤¥ë¤ÎÂ礤µ¤Ï¼¡¤Î +¤è¤¦¤ËÌó6.4MB¤È¸«ÀѤâ¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡§ + 32 bytes: ³Æ¥í¥¦¤Î¥Ø¥Ã¥À(³µ»») - 24 bytes: À°¿ô(int)¥Õ¥£¡¼¥ë¥É¤È¥Æ¥¥¹¥È(text)¥Õ¥£¡¼¥ë¥É + 24 bytes: À°¿ô(int)¥Õ¥£¡¼¥ë¥É¤È¥Æ¥¥¹¥È(text)¥Õ¥£¡¼¥ë¥É + 4 bytes: ¥Ú¡¼¥¸¾å¤Î¥¿¥Ã¥×¥ë¤Ø¤Î¥Ý¥¤¥ó¥¿ ---------------------------------------- 60 bytes per row @@ -975,554 +613,340 @@ 100000 data rows -------------------- = 782 database pages (ÀÚ¤ê¾å¤²) 128 rows per page - + 735 database pages * 8192 bytes per page = 6,021,120 bytes (6 MB) - ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¤³¤ì¤Û¤É¤Î¥ª¡¼¥Ð¥Ø¥Ã¥É¤ÏÍ׵ᤷ¤Þ¤»¤ó¤¬¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹ÉÕ - ¤±¤µ¤ì¤ë¥Ç¡¼¥¿¤ò´Þ¤à°Ê¾å¡¢¤½¤ì¤Ê¤ê¤ËÂ礤¯¤Ê¤ê¤Þ¤¹¡£ - - NULL¤Ï¥Ó¥Ã¥È¥Þ¥Ã¥×¤È¤·¤ÆÊݸ¤µ¤ì¤Æ¤¤¤Æ¡¢¤½¤ì¤é¤¬¤ï¤º¤«¤Ë¥¹¥Ú¡¼¥¹¤ò»È¤¤ - ¤Þ¤¹¡£ - - 4.7) - ÄêµÁ¤µ¤ì¤¿¥Æ¡¼¥Ö¥ë¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¢¤ª¤è¤Ó¡¢¥æ¡¼¥¶¤ò¤É¤Î¤è¤¦¤Ë¤ - ·¤Æ¸«¤Ä¤±½Ð¤·¤Þ¤¹¤«¡© - - psql - ¤Ë¤Ï¤¤¤í¤¤¤í¤Ê¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¡¦¥³¥Þ¥ó¥É¤¬¤¢¤ê¡¢¤³¤¦¤·¤¿¾ðÊó¤òɽ¼¨¤·¤Þ - ¤¹¡£¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¡¦¥³¥Þ¥ó¥É¤Î¼ïÎà¤ò¸«¤ë¤Ë¤Ï \? - ¤ò»È¤Ã¤Æ²¼¤µ¤¤¡£¤Þ¤¿¡¢pg_ ¤Ç»Ï¤Þ¤ë¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤Ë¤âµ - ½Ò¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¤µ¤é¤Ë¡¢psql -l - ¤Ï¤¹¤Ù¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥ê¥¹¥Èɽ¼¨¤·¤Þ¤¹¡£ - - ¤Þ¤¿¡¢pgsql/src/tutorial/syscat.source - ¥Õ¥¡¥¤¥ë¤òÁö¤é¤»¤Æ¤ß¤Æ²¼¤µ¤¤¡£¤½¤ì¤Ï¡¢Âô»³¤Î SELECT - ʸ¤Ë¤è¤êɬÍפʾðÊó¤ò¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥·¥¹¥Æ¥à¡¦¥Æ¡¼¥Ö¥ë¤«¤é¼è¤ê½Ð¤·¤ÆÎ㼨 - ¤·¤Æ¤¯¤ì¤Þ¤¹¡£ - - 4.8) - Ì䤤¹ç¤ï¤»¤¬ÃÙ¤¤¤¦¤¨¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¤¤¤ëÍͻҤ¬¤¢¤ê¤Þ¤»¤ó¡£¤Ê¤¼¤Ç¤¹¤«¡ - © - - ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¼«Æ°Åª¤Ë¤¹¤Ù¤Æ¤ÎÌ䤤¹ç¤ï¤»¤Ç»È¤ï¤ì¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£ - ¥Æ¡¼ ¥Ö¥ë¤¬ºÇ¾®¥µ¥¤¥º¤è¤êÂç¤ - ¤¯¡¢Ì䤤¹ç¤ï¤»¤Ç¤½¤Î¤ï¤º¤«¤Ê¥Ñ¡¼¥»¥ó¥Æ¡¼¥¸¤Î¥í¥¦¤ò - ÁªÂò¤¹¤ë»þ¤À¤±¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï»È¤ï¤ì¤Þ¤¹¡£¤³¤ì¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥ - ¥ã¥ó¤Ë¤è - ¤êµ¯¤³¤µ¤ì¤ë¥é¥ó¥À¥à¤Ê¥Ç¥£¥¹¥¯¥¢¥¯¥»¥¹¤Ï¡¢¥Æ¡¼¥Ö¥ë¤ò¥¹¥È¥ì¡¼¥È¤ËÆÉ¤à½ç - ¼¡ Áöºº¤è¤ê¤âÃÙ¤¯¤Ê¤ë¤³¤È¤¬¤¢¤ë¤«¤é¤Ç¤¹¡£ - - ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤«¤ò·èÄꤹ¤ë¤¿¤á¤Ë¡¢PostgreSQL ¤Ï¥Æ¡¼¥Ö¥ë¤Ë¤Ä¤¤ - ¤Æ¤ÎÅý·×¾ðÊó¤ò»ý¤¿¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£¤³¤ÎÅý·×¾ðÊó¤Ï¡¢VACUUM - ANALYZE¤Þ¤¿¤Ï¡¢Ã±¤Ë ANALYZE ¤ò»È¤Ã¤Æ¼ý½¸¤¹¤ë¤³¤È ¤¬¤Ç¤ - ¤Þ¤¹¡£Åý·×¾ðÊó¤ò»È¤Ã¤Æ¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤Ï¥Æ¡¼¥Ö¥ë¤ÎÃæ¤Ë¤¢¤ë¥í¥¦¿ô¤òÃÎ - ¤ê¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ù¤¤«¤Î·èÄê¤ò¤è¤êÀµ¤·¤¯¤Ç¤¤Þ¤¹¡£Åý·×¾ðÊó¤ÏºÇŬ - ¤Ê·ë¹ç½ç¤ä·ë¹çÊýË¡¤ò·è¤á¤ë¾å¤Ç¤âµ®½Å¤Ê¤â¤Î¤â¤¢¤ê¤Þ¤¹¡£Åý·×¾ðÊó¤Î¼ý½¸¤Ï - ¡¢ ¥Æ¡¼¥Ö¥ë¤ÎÆâÍÆ¤¬¤«¤ï¤ë¤ÈËè¤Ë·«ÊÖ¤·¤Ê¤µ¤ì¤ë¤Ù¤¤Ç¤¹¡£ - - ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢Ä̾ï ORDER BY ¤ä·ë¹ç¤ò¹Ô¤Ê - ¤¦¤¿¤á¤Ë¤Ï»È¤ï¤ì¤Þ¤»¤ó¡£½ç¼¡¥¹¥ - ¥ã¥ó¤Ë³¤¯ÌÀ¼¨Åª¥½¡¼¥È¤Ï¡¢µðÂç¤Ê¥Æ¡¼¥Ö¥ë ¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥ - ¥ã¥ó¤è¤ê¤âÉáÄ̤Ϲ⮤Ǥ¹¡£ - - ¤·¤«¤·¡¢ORDER BY¤ÈÁȤ߹ç¤ï¤µ¤ì¤¿LIMIT - ¤Ï¡¢¥Æ¡¼¥Ö¥ë¤Î¾®¤µ¤ÊÉôʬ¤òÊÖ¤¹¤¿¤á¤Ë¤¿¤Ó¤¿¤Ó¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ç¤·¤ç¤¦ - ¡£ ¼ÂºÝ¡¢MAX() ¤ä MIN() - ¤¬¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤ï¤Ê¤¤¤È¤·¤Æ¤â¡¢¤³¤Î¤è¤¦¤ÊÃͤò ORDER BY ¤È LIMIT - ¤ò»È¤Ã¤Æ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤¬²Äǽ¤Ç¤¹: +¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¤³¤ì¤Û¤É¤Î¥ª¡¼¥Ð¥Ø¥Ã¥É¤ÏÍ׵ᤷ¤Þ¤»¤ó¤¬¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹ÉÕ¤±¤µ¤ì¤ë +¥Ç¡¼¥¿¤ò´Þ¤à°Ê¾å¡¢¤½¤ì¤Ê¤ê¤ËÂ礤¯¤Ê¤ê¤Þ¤¹¡£ + +NULL¤Ï¥Ó¥Ã¥È¥Þ¥Ã¥×¤È¤·¤ÆÊݸ¤µ¤ì¤Æ¤¤¤Æ¡¢¤½¤ì¤é¤¬¤ï¤º¤«¤Ë¥¹¥Ú¡¼¥¹¤ò»È¤¤¤Þ¤¹¡£ + +4.6) ¥¯¥¨¥ê¤¬ÃÙ¤¤¤Î¤Ï¤Ê¤¼¤Ç¤·¤ç¤¦¡©¤Ê¤¼¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤ï¤ì¤Ê¤¤¤Î¤Ç¤·¤ç¤¦¤«¡© + +¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¤¹¤Ù¤Æ¤Î¥¯¥¨¥ê¤Ç»È¤ï¤ì¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£¥Æ¡¼¥Ö¥ë¤¬ºÇ¾®¥µ¥¤ +¥º¤è¤êÂ礤¯¡¢¥¯¥¨¥ê¤Ç¤½¤Î¤ï¤º¤«¤Ê¥Ñ¡¼¥»¥ó¥Æ¡¼¥¸¤Î¥í¥¦¤òÁªÂò¤¹¤ë»þ¤À¤±¡¢¥¤¥ó¥Ç +¥Ã¥¯¥¹¤Ï»È¤ï¤ì¤Þ¤¹¡£¤³¤ì¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥¥ã¥ó¤Ë¤è¤êµ¯¤³¤µ¤ì¤ë¥é¥ó¥À¥à¤Ê¥Ç¥£¥¹ +¥¯¥¢¥¯¥»¥¹¤Ï¡¢¥Æ¡¼¥Ö¥ë¤ò¥¹¥È¥ì¡¼¥È¤ËÆÉ¤à½ç¼¡Áöºº¤è¤ê¤âÃÙ¤¯¤Ê¤ë¤³¤È¤¬¤¢¤ë¤«¤é¤Ç +¤¹¡£ + +¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤«¤ò·èÄꤹ¤ë¤¿¤á¤Ë¡¢PostgreSQL ¤Ï¥Æ¡¼¥Ö¥ë¤Ë¤Ä¤¤¤Æ¤ÎÅý·×¾ðÊó¤ò +»ý¤¿¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£¤³¤ÎÅý·×¾ðÊó¤Ï¡¢ VACUUMANALYZE¤Þ¤¿¤Ï¡¢Ã±¤Ë ANALYZE ¤ò»È +¤Ã¤Æ¼ý½¸¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£Åý·×¾ðÊó¤ò»È¤Ã¤Æ¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤Ï¥Æ¡¼¥Ö¥ë¤ÎÃæ¤Ë¤¢¤ë +¥í¥¦¿ô¤òÃΤꡢ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ù¤¤«¤Î·èÄê¤ò¤è¤êÀµ¤·¤¯¤Ç¤¤Þ¤¹¡£Åý·×¾ðÊó¤ÏºÇ +Ŭ¤Ê·ë¹ç½ç¤ä·ë¹çÊýË¡¤ò·è¤á¤ë¾å¤Ç¤âµ®½Å¤Ê¤â¤Î¤â¤¢¤ê¤Þ¤¹¡£Åý·×¾ðÊó¤Î¼ý½¸¤Ï¡¢¥Æ¡¼ +¥Ö¥ë¤ÎÆâÍÆ¤¬¤«¤ï¤ë¤ÈËè¤Ë·«ÊÖ¤·¤Ê¤µ¤ì¤ë¤Ù¤¤Ç¤¹¡£ + +¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢Ä̾ï ORDER BY ¤ä·ë¹ç¤ò¹Ô¤Ê¤¦¤¿¤á¤Ë¤Ï»È¤ï¤ì¤Þ¤»¤ó¡£½ç¼¡¥¹¥¥ã¥ó +¤Ë³¤¯ÌÀ¼¨Åª¥½¡¼¥È¤Ï¡¢µðÂç¤Ê¥Æ¡¼¥Ö¥ë¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥¥ã¥ó¤è¤ê¤âÉáÄ̤Ϲ⮤Ǥ¹ +¡£ + +¤·¤«¤·¡¢ORDER BY¤ÈÁȤ߹ç¤ï¤µ¤ì¤¿LIMIT ¤Ï¡¢¥Æ¡¼¥Ö¥ë¤Î¾®¤µ¤ÊÉôʬ¤òÊÖ¤¹¤¿¤á¤Ë¤¿¤Ó +¤¿¤Ó¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ç¤·¤ç¤¦¡£¼ÂºÝ¡¢MAX() ¤ä MIN() ¤¬¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤ï¤Ê¤¤¤È +¤·¤Æ¤â¡¢¤³¤Î¤è¤¦¤ÊÃͤòORDER BY ¤È LIMIT ¤ò»È¤Ã¤Æ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³ +¤È¤¬²Äǽ¤Ç¤¹: + SELECT col FROM tab ORDER BY col [ DESC ] LIMIT 1; - ¤â¤·¡¢¥ª¥×¥Æ¥£¥Þ¥¤¥¶¤¬´Ö°ã¤Ã¤Æ¥·¡¼¥±¥ó¥·¥ã¥ë¥¹¥ - ¥ã¥ó¤òÁªÂò¤·¤¿¤³¤È¤Ëµ¿¤¤¤¬¤Ê¤±¤ì¤Ð¡¢SET enable_seqscan TO - 'off'¤ò»È¤Ã¤Æ¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥ - ¥ã¥ó¤Ç¤Þ¤Á¤¬¤¤¤Ê¤¯Â®¤¯¤Ê¤Ã¤Æ¤¤¤ë¤«¤ò¥Æ¥¹¥È¤ò¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£ - - LIKE ¤¢¤ë¤¤¤Ï ~ ¤Î¤è¤¦¤Ê¥ï¥¤¥ë¥É¥«¡¼¥É±é»» »Ò¤ÏÆÃÊ̤ʴĶ - ¤Ç¤·¤«»È¤¨¤Þ¤»¤ó¡§ - * ¸¡º÷ʸ»úÎó¤¬Ê¸»úÎó¤ÎºÇ½é¤Ë¤¤¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡§ - + LIKE ¥Ñ¥¿¡¼¥ó¤¬%¤Ç»Ï¤Þ¤é¤Ê¤¤ - + ~ (Àµµ¬É½¸½) ¥Ñ¥¿¡¼¥ó¤Ï^¤Ç»Ï¤Þ¤é¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤ - * ¸¡º÷ʸ»úÎó¤òʸ»ú¥¯¥é¥¹¤«¤é»Ï¤á¤ë¤³¤È¤Ï¤Ç¤¤Þ¤»¤ó¡£¤¿¤È¤¨¤Ð¡¢[a-e]¡£ - * ILIKE ¤ä ~* ¤Î¤è¤¦¤ÊÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤· - ¤Ê¤¤¸¡º÷¤Ï»È¤¨¤Þ¤»¤ó¡£¤½¤Î¤«¤ï¤ê¡¢¤³¤ÎFAQ¤Î4.12Àá¤ÇÀâÌÀ¤¹¤ë´Ø¿ô¤Î¥ - ¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤¨¤Þ¤¹¡£ - * initdb ¤Ë¤ª¤¤¤Æ¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤ÇC¥í¥±¡¼¥ë¤¬»È¤ï¤ì¤Ê - ¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤½¤ÎÍýͳ¤Ï¡¢C¥í¥±¡¼¥ë°Ê³°¤Ç¤Ï¼¡¤ËÂç¤ - ¤Êʸ»ú¤òÃΤ뤳¤È ¤¬¤Ç¤ - ¤Ê¤¤¤«¤é¤Ç¤¹¡£¤³¤Î¤è¤¦¤Ê¾ì¹ç¡¢LIKE¥¤¥ó¥Ç¥¯¥·¥ó¥°¤Ë¤À¤± - Ư¤¯¤è¤¦¤Ê¡¢ÆÃÊ̤Êtext_pattern_ops¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºîÀ® - ¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£ - - 8.0¤è¤êÁ°¤Î¥ê¥ê¡¼¥¹¤Ç¤Ï¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¥Ç¡¼¥¿·¿¤¬¤Á¤ç¤¦¤É¥¤¥ó¥Ç¥Ã¥¯¥ - ¹¤Î¥«¥é¥à¤Î·¿¤È°ìÃפ·¤Ê¤±¤ì¤Ð¡¢»È¤¨¤Ê¤¤¤³¤È¤¬¤·¤Ð¤·¤Ð¤¢¤ê¤Þ¤·¤¿¡£¤ª¤½¤ - 餯¡¢int2, int8, ¤ª¤è¤Ó numeric Åù¤Î¥«¥é¥à¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬¤½¤¦¤Ç¤¹¡£ - [ÌõÃí¡§ ¶¯À©Åª¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ë¤Ï SET enable_seqscan = off - ¤ò¼Â¹Ô¤·¤Þ¤¹¡£ ] - - 4.9) - Ì䤤¹ç¤ï¤»¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¤É¤Î¤è¤¦¤ËÌ䤤¹ç¤ï¤»¤òɾ²Á¤¹¤ë¤Î¤«¤ò¸«¤ë¤Ë¤Ï¤É¤¦¤ - ·¤Þ¤¹¤«¡© - - ¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç EXPLAIN ¤ò¸«¤Æ²¼¤µ¤¤¡£ - - 4.10) R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤È¤Ï²¿¤Ç¤¹¤«¡© - - R-tree - ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¶õ´ÖŪ¤Ê¥Ç¡¼¥¿¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òÉÕ¤±¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£¥Ï - ¥Ã¥·¥å¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤ÏÈϰϤθ¡º÷¤¬¤Ç¤¤Þ¤»¤ó¡£¤Þ¤¿¡¢B-tree - ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï¡¢£±¼¡¸µ¤Ç¤·¤«ÈϰϤθ¡º÷¤¬¤Ç¤¤Þ¤»¤ó¡£R-tree - ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤¢¤ì¤Ð¿¼¡¸µ¤Î¥Ç¡¼¥¿¤ò°·¤¨¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢¤â¤· R-tree - ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò point ·¿¤Î°À¤ËÉÕ¤±¤ë¤³¤È¤¬¤Ç¤ - ¤ë¤È¤¹¤ë¤È¥·¥¹¥Æ¥à¤Ï¡¢¡ÖĹÊý·Á¤Ë°Ï¤Þ¤ì¤¿ÅÀ¤ò¤¹¤Ù¤ÆÁªÂò¤¹¤ë¡×¤È¤¤¤¦¤è¤¦ - ¤ÊÌ䤤¹ç¤ï¤»¤Ë¡¢¤è¤ê¸úΨÎɤ¯Åú¤¨¤é¤ì¤Þ¤¹¡£ - - R-Tree ¤ÎÀ߷פθ¶Åµ¤È¤Ê¤ë¸¢°Ò¤¢¤ëÏÀʸ¤Ï: - - Guttman, A. "R-Trees: A Dynamic Index Structure for Spatial - Searching." Proceedings of the 1984 ACM SIGMOD Int'l Conf on Mgmt of - Data, 45-57. - - ¤³¤ÎÏÀʸ¤Ï¡¢Stonebraker ¶µ¼ø¤Î "Readings in Database Systems" - ¤Ç¤â¼è¤ê¾å¤²¤é¤ì¤Æ¤¤¤Þ¤¹¡£ - [ÌõÃí¡§ - ÆàÎÉÀèüÂç¤ÎÀÐÀî²Â¼£¤µ¤ó¤è¤êR-Tree´Ø·¸¤Îʸ¸¥¤ò¾Ò²ð¤·¤ÆÄº¤¤Þ¤·¤¿¡£ - ÆüËܸì Postgres ML ¤Î¥¢¡¼¥«¥¤¥Ö¤«¤é "Subject: [postgres95 801] spatialdata structures" - http://www.sra.co.jp/people/t-ishii/PostgreSQL/mhonarc/pgsql-jp/1996Oct/msg00007.html - ¤ò¤´Í÷²¼¤µ¤¤¡£ - ] +¤â¤·¡¢¥ª¥×¥Æ¥£¥Þ¥¤¥¶¤¬´Ö°ã¤Ã¤Æ¥·¡¼¥±¥ó¥·¥ã¥ë¥¹¥¥ã¥ó¤òÁªÂò¤·¤¿¤³¤È¤Ëµ¿¤¤¤¬¤Ê¤± +¤ì¤Ð¡¢SET enable_seqscan TO 'off'¤ËÀßÄꤷ¤Æ¡¢¥¯¥¨¥ê¤ò¤â¤¦°ìÅټ¹Ի롢¥¤¥ó¥Ç¥Ã¥¯ +¥¹¥¹¥¥ã¥ó¤¬¤Þ¤Á¤¬¤¤¤Ê¤¯Â®¤¯¤Ê¤Ã¤Æ¤¤¤ë¤«¤É¤¦¤«¤ò¤ß¤Æ¤¯¤À¤µ¤¤¡£ - Áȹþ¤ß¤Î R-Tree ¤Ç¥Ý¥ê¥´¥ó¤ä¥Ü¥Ã¥¯¥¹¤òÁàºî¤Ç¤¤Þ¤¹¡£ÍýÏÀŪ¤Ë¤ÏR-Tree - ¤Ï¤â¤Ã¤È¹â¤¤¼¡¸µ¤òÁàºî¤¹¤ë¤è¤¦¤Ë¤â³ÈÄ¥¤Ç¤¤Þ¤¹¡£¼Â¼ÁŪ¤Ë¤Ï¡¢R-Tree - ¤Î³ÈÄ¥¤Ë¤Ï¤Á¤ç¤Ã¤È¤·¤¿ºî¶È¤¬É¬ÍפǤ·¤Æ¡¢¸½ºß¡¢²æ¡¹¤Ï¤½¤ì¤ò¤É¤Î¤è¤¦¤Ë¤¹ - ¤ë¤«¤Ë¤Ä¤¤¤Æ¤Îʸ½ñ¤ò»ý¤Ã¤Æ¤¤¤Þ¤»¤ó¡£ - [ÌõÃí¡§ - R-Tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ÏGiST¤Ç³«È¯¤µ¤ì¤Æ¤¤¤Þ¤¹¡£ - http://www.sai.msu.su/~megera/postgres/gist/ - ] +LIKE ¤¢¤ë¤¤¤Ï ~ ¤Î¤è¤¦¤Ê¥ï¥¤¥ë¥É¥«¡¼¥É±é»»»Ò¤ÏÆÃÊ̤ʴĶ¤Ç¤·¤«»È¤¨¤Þ¤»¤ó¡§ - 4.11) °äÅÁŪÌ䤤¹ç¤ï¤»ºÇŬ²½¤È¤Ï²¿¤Ç¤¹¤«¡© - - GEQO ¥â¥¸¥å¡¼¥ë¤Ï¡¢Âô»³¤Î¥Æ¡¼¥Ö¥ë¤ò·ë¹ç¤¹¤ë¤È¤ - ¤Ë¡¢°äÅÁŪ¥¢¥ë¥´¥ê¥º¥à(GA)¤ÇÌä¹ç¤ï¤»¤ò¹â®²½¤·¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢¤·¤é¤ß - ¤Ä¤Ö¤·¤Ëõº÷¤ò¹Ô¤Ê¤ï¤Ê¤¯¤Æ¤â¡¢Â礤ʷë¹ç(join queries)¤ò°·¤¦¤³¤È¤¬¤Ç¤ - ¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ + ¡¦ ¸¡º÷ʸ»úÎó¤¬Ê¸»úÎó¤ÎºÇ½é¤Ë¤¤¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡§ + ¢¢ LIKE ¥Ñ¥¿¡¼¥ó¤¬%¤Ç»Ï¤Þ¤é¤Ê¤¤ + ¢¢ ~ (Àµµ¬É½¸½) ¥Ñ¥¿¡¼¥ó¤Ï^¤Ç»Ï¤Þ¤é¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤ + ¡¦ ¸¡º÷ʸ»úÎó¤òʸ»ú¥¯¥é¥¹¤«¤é»Ï¤á¤ë¤³¤È¤Ï¤Ç¤¤Þ¤»¤ó¡£¤¿¤È¤¨¤Ð¡¢[a-e]¡£ + ¡¦ ILIKE ¤ä ~* ¤Î¤è¤¦¤ÊÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Ï»È¤¨¤Þ¤»¤ó¡£¤½¤Î¤«¤ï¤ê + ¡¢¤³¤ÎFAQ¤Î4.8Àá¤ÇÀâÌÀ¤¹¤ë¼°¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤¨¤Þ¤¹¡£ + ¡¦ initdb ¤Ë¤ª¤¤¤Æ¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤ÇC¥í¥±¡¼¥ë¤¬»È¤ï¤ì¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤½¤ÎÍý + ͳ¤Ï¡¢C¥í¥±¡¼¥ë°Ê³°¤Ç¤Ï¼¡¤ËÂ礤Êʸ»ú¤òÃΤ뤳¤È¤¬¤Ç¤¤Ê¤¤¤«¤é¤Ç¤¹¡£¤³¤Î¤è¤¦ + ¤Ê¾ì¹ç¡¢ - 4.12) - Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤ - ·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É¤Î¤è¤¦¤Ë»È - ¤¤¤Þ¤¹¤«¡© + LIKE - ~±é»»»Ò¤ÏÀµµ¬É½¸½¾È¹ç¤ò¹Ô¤Ê¤¤¡¢~* - ¤ÏÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤(case-insensitive)Àµµ¬É½¸½¾È¹ç¤ò¹Ô¤¤¤Þ¤¹¡£ - Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ LIKE ±é»»»Ò¤ò ILIKE ¤È¤¤¤¤¤Þ¤¹¡£ + ¥¤¥ó¥Ç¥¯¥·¥ó¥°¤Ë¤À¤±Æ¯¤¯¤è¤¦¤Ê¡¢ÆÃÊÌ¤Ê - Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ÅùÃÍÈæ³Ó¤Ï¼¡¤Î¤è¤¦¤Ëɽ¸½¤Ç¤¤ë¡§ + text_pattern_ops + + ¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºîÀ®¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£ + +8.0¤è¤êÁ°¤Î¥ê¥ê¡¼¥¹¤Ç¤Ï¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¥Ç¡¼¥¿·¿¤¬¤Á¤ç¤¦¤É¥¤¥ó¥Ç¥Ã¥¯¥¹¤Î¥«¥é¥à +¤Î·¿¤È°ìÃפ·¤Ê¤±¤ì¤Ð¡¢»È¤¨¤Ê¤¤¤³¤È¤¬¤·¤Ð¤·¤Ð¤¢¤ê¤Þ¤·¤¿¡£¤ª¤½¤é¤¯¡¢int2, int8, +¤ª¤è¤Ó numeric Åù¤Î¥«¥é¥à¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬¤½¤¦¤Ç¤¹¡£ + +4.7) Ì䤤¹ç¤ï¤»¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¤É¤Î¤è¤¦¤ËÌ䤤¹ç¤ï¤»¤òɾ²Á¤¹¤ë¤Î¤«¤ò¸«¤ë¤Ë¤Ï¤É¤¦ +¤·¤Þ¤¹¤«¡© + +¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç EXPLAIN ¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£ + +4.8) Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½ +¤·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É¤Î¤è¤¦¤Ë»È¤¤ +¤Þ¤¹¤«¡© + +~±é»»»Ò¤ÏÀµµ¬É½¸½¾È¹ç¤ò¹Ô¤Ê¤¤¡¢~* ¤ÏÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ +(case-insensitive)Àµµ¬É½¸½¾È¹ç¤ò¹Ô¤¤¤Þ¤¹¡£Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ LIKE ±é»» +»Ò¤ò ILIKE ¤È¤¤¤¤¤Þ¤¹¡£ + +Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ÅùÃÍÈæ³Ó¤Ï¼¡¤Î¤è¤¦¤Ëɽ¸½¤Ç¤¤ë¡§ + SELECT * FROM tab WHERE lower(col) = 'abc'; - ɸ½à¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï»È¤ï¤ì¤º¡¢¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·´Ø¿ô¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò - ºî¤Ã¤¿¤Ê¤é¤½¤ì¤¬»È¤ï¤ì¤ë¤Ç¤·¤ç¤¦¡£ - CREATE INDEX tabindex ON tab (lower(col)); +ɸ½à¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï»È¤ï¤ì¤º¡¢¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·¡¢¼°¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºî¤Ã¤¿¤Ê¤é¤½ +¤ì¤¬»È¤ï¤ì¤ë¤Ç¤·¤ç¤¦¡£ + CREATE INDEX tabindex ON tab (lower(col)); - 4.13) Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬ NULL - ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - - ¥«¥é¥à¤ò IS NULL ¤È IS NOT NULL ¤È¤Ç»î¤·¤Æ¤ß¤Þ¤¹¡£ - - 4.14) ÍÍ¡¹¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© - -Type Internal Name Notes --------------------------------------------------- -VARCHAR(n) varchar ºÇÂçĹ¤Î¥µ¥¤¥º¤ò»ØÄꤹ¤ë¡¢µÍ¤áʪ̵¤· -CHAR(n) bpchar »ØÄꤵ¤ì¤¿¸ÇÄêĹ¤È¤Ê¤ë¤è¤¦¤Ë¶õÇò¤¬µÍ¤á¤é¤ì¤ë -TEXT text Ťµ¤Ë¾å¸Â¤Î̵¤¤¥Æ¥¥¹¥È -BYTEA bytea ²ÄÊÑĹ¤Î¥Ð¥¤¥ÈÇÛÎó(null-byte safe) -"char" char £±Ê¸»ú - - ÆâÉô̾¤Ë¤ªÌܤˤ«¤«¤ë¤Î¤Ï¡¢¥·¥¹¥Æ¥à¡¦¥«¥¿¥í¥°¤òÄ´¤Ù¤ë¤È¤ - ¤ä¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò¼õ¤±¼è¤ë¤È¤¤Ç¤¹¡£ - - ¾åµ¤Î·¿¤Î¤¦¤ÁºÇ½é¤Î£´¤Ä¤Î·¿¤Ï "varlena" - ·¿¤Ç¤¹(¤¹¤Ê¤ï¤Á¡¢¥Ç¥£¥¹¥¯¤ÎºÇ½é¤Î£´¥Ð¥¤¥È¤¬¥Ç¡¼¥¿Ä¹¤Ç¡¢¤½¤ì¤Î¸å¤Ë¼ÂºÝ¤ - Υǡ¼¥¿¤¬Â³¤¤Þ¤¹)¡£¤³¤Î¤è¤¦¤Ë¼ÂºÝ¤Î¶õ´Ö¤ÏÀë¸À¤µ¤ì¤¿Â礤µ¤è¤ê¤â¾¯¤·Âç¤ - ¤¯¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤³¤ì¤é¤Î¥Ç¡¼¥¿·¿¤ÏTOAST¤Ë¤è¤ê°µ½Ì¤µ¤ì¤¿¤êÊ£¿ô¥í¥¦¤ - ËÅϤäÆÊݸ¤µ¤ì¤¿¤ê¤·¤Æ¡¢¥Ç¥£¥¹¥¯¾å¤Î¶õ´Ö¤Ï»×¤Ã¤¿¤è¤ê¾®¤µ¤¯¤Ê¤ê¤Þ¤¹¡£ - - VARCHAR(n) ¤Ï²ÄÊÑŤÎʸ»úÎó¤òÊݸ¤¹¤ë¤Î¤ËºÇŬ¤Ç¤¹¤¬¡¢Êݸ¤Ç¤ - ¤ëʸ»úÎó¤ÎŤµ¤ËÀ©¸Â¤¬¤¢¤ê¤Þ¤¹¡£TEXT - ¤ÏŤµ¤ËÀ©¸Â¤Î̵¤¤Ê¸»úÎó¤ÎÊݸ¤Î¤¿¤á¤Î¤â¤Î¤Ç¡¢ºÇÂç¤Ç 1¥®¥¬¥Ð¥¤¥È¤Ç¤¹¡£ - CHAR(n)¤Ï¡¢VARCHAR(n)¤¬Í¿¤¨¤é¤ì¤¿Ê¸»ú¤À¤±¤òÊݸ¤¹¤ë¤Î¤ËÂФ·¡¢¥Ö¥é¥ó¥¯¤ - òµÍ¤á¹þ¤ó¤Ç¤¤¤Ä¤âƱ¤¸Ä¹¤µ¤Çʸ»úÎó¤òÊݸ¤¹¤ë¤Î¤ËºÇŬ¤Ç¤¹¡£BYTEA¤Ï¡¢Éôʬ - Ū¤ËNULL - ¤Î¥Ð¥¤¥È¤ò´Þ¤à¥Ð¥¤¥Ê¥ê¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤¿¤á¤Î¤â¤Î¤Ç¤¹¡£¤³¤ì¤é¤Î¥¿¥¤¥×¤Ï - Ʊ¤¸¤¯¤é¤¤¤ÎÀǽÆÃÀ¤ò¤â¤Á¤Þ¤¹¡£ +4.9) ¥¯¥¨¥ê¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬NULL ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©¥Õ¥£ +¡¼¥ë¥É¤¬NULL¤«¤É¤¦¤«¤Ç¤É¤Î¤è¤¦¤Ë¥½¡¼¥È¤¬¤Ç¤¤Þ¤¹¤«¡© + +°Ê²¼¤Î¤è¤¦¤Ë¡¢IS NULL ¤È IS NOT NULL¤Ç¡¢¤½¤Î¥«¥é¥à¤ò¥Æ¥¹¥È¤·¤Æ¤ß¤Þ¤¹¡§ + + SELECT * + FROM tab + WHERE col IS NULL; + +NULL¾õÂ֤ǥ½¡¼¥È¤¹¤ë¤Ë¤Ï¡¢IS NULL ¤È IS NOT NULL ¤Î½¤¾þ»Ò¤ò ORDER BY ¶ç¤ÎÃæ¤Ç»È +¤Ã¤Æ¤ß¤Þ¤¹¡£true ¤Î¤â¤Î¤Ï false ¤Î¤â¤Î¤è¤ê¤â¹â¤¤ÃͤȤ·¤ÆÊ¤٤é¤ì¤Þ¤¹¤Î¤Ç¡¢¼¡¤Î +Îã¤Ç¤Ï NULL ¤ÎµºÜ¤¬·ë²Ì¥ê¥¹¥È¤Î¾åÉô¤ËÃÖ¤«¤ì¤Þ¤¹¡£ + + SELECT * + FROM tab + ORDER BY (col IS NOT NULL) + +4.10) ¤¤¤í¤¤¤í¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© + + ·¿ ÆâÉô̾ È÷¹Í + VARCHAR(n) varchar ºÇÂçĹ¤Î¥µ¥¤¥º¤ò»ØÄꤹ¤ë¡¢µÍ¤áʪ̵¤· + CHAR(n) bpchar »ØÄꤵ¤ì¤¿¸ÇÄêĹ¤È¤Ê¤ë¤è¤¦¤Ë¶õÇò¤¬µÍ¤á¤é¤ì¤ë + TEXT text Ťµ¤ËÆÃÊ̤ʾå¸Â¤Ï̵¤· + BYTEA bytea ²ÄÊÑĹ¤Î¥Ð¥¤¥ÈÇÛÎó(null-byte safe) + "char" char 1ʸ»ú - 4.15.1) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© - - PostgreSQL ¤Ï SERIAL - ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¥«¥é¥à¾å¤Ë¥·¡¼¥±¥ó¥¹¤ò¼«Æ°ºîÀ®¤·¤Þ¤¹¡£¤¿¤È¤¨ - ¤Ð¡¢ - CREATE TABLE person ( - id SERIAL, - name TEXT - ); - - ¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹: - CREATE SEQUENCE person_id_seq; - CREATE TABLE person ( - id INT4 NOT NULL DEFAULT nextval('person_id_seq'), - name TEXT - ); +ÆâÉô̾¤Ë¤ªÌܤˤ«¤«¤ë¤Î¤Ï¡¢¥·¥¹¥Æ¥à¡¦¥«¥¿¥í¥°¤òÄ´¤Ù¤ë¤È¤¤ä¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò +¼õ¤±¼è¤ë¤È¤¤Ç¤¹¡£ + +¾åµ¤Î·¿¤Î¤¦¤ÁºÇ½é¤Î£´¤Ä¤Î·¿¤Ï "varlena" ·¿¤Ç¤¹(¤¹¤Ê¤ï¤Á¡¢¥Ç¥£¥¹¥¯¤ÎºÇ½é¤Î£´¥Ð +¥¤¥È¤¬¥Ç¡¼¥¿Ä¹¤Ç¡¢¤½¤ì¤Î¸å¤Ë¼ÂºÝ¤Î¥Ç¡¼¥¿¤¬Â³¤¤Þ¤¹)¡£¤³¤Î¤è¤¦¤Ë¼ÂºÝ¤Î¶õ´Ö¤ÏÀë¸À +¤µ¤ì¤¿Â礤µ¤è¤ê¤â¾¯¤·Â礤¯¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢Ä¹¤¤Ãͤϰµ½Ì¤µ¤ì¤ë¤Î¤Ç¡¢¥Ç¥£¥¹¥¯ +¾å¤Î¶õ´Ö¤Ï»×¤Ã¤¿¤è¤ê¤â¾®¤µ¤¯¤Ê¤ê¤Þ¤¹¡£ + +VARCHAR(n) ¤Ï²ÄÊÑŤÎʸ»úÎó¤òÊݸ¤¹¤ë¤Î¤ËºÇŬ¤Ç¤¹¤¬¡¢Êݸ¤Ç¤¤ëʸ»úÎó¤ÎŤµ¤ËÀ© +¸Â¤¬¤¢¤ê¤Þ¤¹¡£TEXT ¤ÏŤµ¤ËÀ©¸Â¤Î̵¤¤Ê¸»úÎó¤ÎÊݸ¤Î¤¿¤á¤Î¤â¤Î¤Ç¡¢ºÇÂç¤Ç 1¥®¥¬¥Ð +¥¤¥È¤Ç¤¹¡£ CHAR(n)¤Ï¡¢VARCHAR(n)¤¬Í¿¤¨¤é¤ì¤¿Ê¸»ú¤À¤±¤òÊݸ¤¹¤ë¤Î¤ËÂФ·¡¢¥Ö¥é¥ó +¥¯¤òµÍ¤á¹þ¤ó¤Ç¤¤¤Ä¤âƱ¤¸Ä¹¤µ¤Çʸ»úÎó¤òÊݸ¤¹¤ë¤Î¤ËºÇŬ¤Ç¤¹¡£BYTEA¤Ï¡¢ÉôʬŪ¤Ë +NULL ¤Î¥Ð¥¤¥È¤ò´Þ¤à¥Ð¥¤¥Ê¥ê¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤¿¤á¤Î¤â¤Î¤Ç¤¹¡£¤³¤ì¤é¤Î¥¿¥¤¥×¤ÏƱ¤¸ +¤¯¤é¤¤¤ÎÀǽÆÃÀ¤ò¤â¤Á¤Þ¤¹¡£ + +4.11.1) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© +PostgreSQL ¤Ï SERIAL ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¥«¥é¥à¾å¤Ë¥·¡¼¥±¥ó¥¹¤ò¼«Æ°ºîÀ®¤· +¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ + + CREATE TABLE person ( + id SERIAL, + name TEXT + ); + +¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹: + + CREATE SEQUENCE person_id_seq; + CREATE TABLE person ( + id INT4 NOT NULL DEFAULT nextval('person_id_seq'), + name TEXT + ); [ÌõÃí¡§ CREATE UNIQUE INDEX person_id_key ON person ( id ); - ¤Ï¡¢ 7.3 ¤«¤é¤Ï¼«Æ°Åª¤Ë¤Ï¹Ô¤Ê¤ï¤ì¤Ê¤¯¤Ê¤ê¤Þ¤·¤¿¡£ + ¤Ï¡¢ 7.3 °Ê¹ß¤Ï¼«Æ°Åª¤Ë¤Ï¹Ô¤Ê¤ï¤ì¤Ê¤¯¤Ê¤ê¤Þ¤·¤¿¡£ ] - ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç - create_sequence ¤ò¤´Í÷²¼¤µ¤¤¡£ - - ¤Þ¤¿¡¢³Æ¥í¥¦¤ÎOID¥Õ¥£¡¼¥ë¥É¤ò°ì°ÕÃͤȤ·¤Æ»È¤¦¤³¤È¤â¤Ç¤ - ¤Þ¤¹¡£¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·¤â¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥À¥ó¥×¤·¤Æ¥ê¥í¡¼¥É¤¹¤ëɬÍפ¬¤¢ - ¤ë¾ì¹ç¤Ï¡¢OID¤ò²¹Â¸¤¹¤ë¤¿¤á¤Ëpg_dump ¤Ç - -o¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤«¡¢¤Þ¤¿¤Ï¡¢COPY WITH - OIDS¥ª¥×¥·¥ç¥ó¤ò»È¤¦É¬Íפ¬¤¢¤ê¤Þ¤¹¡£ - - 4.15.2) SERIAL¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© - - ¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢nextval() ´Ø¿ô¤ò»È¤Ã¤Æ¤½¤ÎÃͤòÁÞÆþ¤¹¤ëÁ°(before)¤Ë - SEQUENCE ¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤Î SERIAL - Ãͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤¹¡£4.15.1 - ¤Î¥Æ¡¼¥Ö¥ë¤ÎÎã¤ò»È¤¦¤È¤¹¤ë¤È¡¢µ¿»÷¸À¸ì¤Ç¤Ï¤³¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ - new_id = execute("SELECT nextval('person_id_seq')"); - execute("INSERT INTO person (id, name) VALUES (new_id, 'Blaise Pascal')"); - - ¤½¤¦¤·¤Æ¡¢new_id ¤ËÊݸ¤·¤¿¿·¤·¤¤Ãͤò¾¤ÎÌ䤤¹ç¤ï¤»¤Ë(¤¿¤È¤¨¤Ð¡¢person - ¥Æ¡¼¥Ö¥ë¤ËÂФ¹¤ë³°Éô¥¡¼(foreign - key)¤Î¤è¤¦¤Ë)»È¤¦¤È¤è¤¤¤Ç¤·¤ç¤¦¡£¼«Æ°Åª¤Ëºî¤é¤ì¤¿SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤ - Î̾Á°¤Ï¡¢<table>_<serialcolumn>_seq ¤Î¤è¤¦¤Ë¤Ê¤ê¡¢¤³¤Î¤¦¤Á¡¢table ¤È - serialcolumn ¤Ï¤½¤ì¤¾¤ì¥Æ¡¼¥Ö¥ë¤Î̾Á°¤ÈSERIAL¥«¥é¥à¤Î̾Á°¤Ç¤¹¡£ - - ¤¢¤ë¤¤¤Ï¡¢Í¿¤¨¤é¤ì¤¿SERIALÃͤò¡¢¤½¤ì¤¬´ûÄêÃͤȤ·¤ÆÁÞÆþ¤µ¤ì¤¿¸å¤Ç(after - )¡¢ currval() ´Ø¿ô¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤â¤Ç¤¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ - execute("INSERT INTO person (name) VALUES ('Blaise Pascal')"); - new_id = execute("SELECT currval('person_id_seq')"); - - ºÇ¸å¤Ë¡¢INSERTʸ¤«¤éÊÖ¤ëOID¤ò»È¤Ã¤Æ¡¢´ûÄêÃͤò¤ß¤Ä¤±¤ë¤³¤È¤â¤Ç¤ - ¤Þ¤¹¤¬¡¢¤·¤«¤·¡¢oid¤ÎÃͤÏ40²¯¤Ë㤹¤ë¤È¤â¤È¤ËÌá¤Ã¤Æ¤·¤Þ¤¤¡¢ºÇ¤â°Ü¿¢À - ¤ÎÄ㤤¤ä¤êÊý¤È¤Ê¤ë¤Ç¤·¤ç¤¦¡£Perl DBI ¤Î DBD::Pg - ¥â¥¸¥å¡¼¥ë¤ò»È¤¨¤Ð¡¢$sth->execute() ¤Î¸å¤Ë $sth->{pg_oid_status} - ¤ò·Ðͳ¤·¤Æ¤½¤Î OID Ãͤò»È¤¨¤ë¤è¤¦¤Ë¤¹¤ë¤³¤È¤Ï¤Ç¤¤Þ¤¹¡£ - - 4.15.3) currval() ¤Ï¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂ֤˴٤뤳¤È¤Ï¤Ê¤¤¤Ç¤¹¤«¡© - - ¤½¤ì¤Ï¤¢¤ê¤Þ¤»¤ó¡£currval() - ¤Ï¡¢¤¹¤Ù¤Æ¤Î¥æ¡¼¥¶¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢¤¢¤Ê¤¿¤Î¥Ð¥Ã¥¯¥¨¥ó¥É¤ËÍ¿¤¨¤é¤ì¤¿¸½ - ºß¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£ - - 4.15.4) ¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤ·¤¿¤È¤ - ¤Ë¤â¤¦¤¤¤Á¤É¥·¡¼¥±¥ó¥¹Èֹ椬»È¤ï¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©¥·¡¼¥±¥ó¥¹¡¿SERIAL¥«¥ - é¥à¤Ë¶õ¤¤¬¤¢¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - - Ʊ»þÀ - ¤ò²þÁ±¤¹¤ë¤¿¤á¤Ë¡¢¼Â¹ÔÃæ¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Ë¡¢É¬Íפǥȥé¥ó¥¶¥¯¥·¥ç¥ó¤¬ - ½ªÎ»¤¹¤ë¤Þ¤Ç¥í¥Ã¥¯¤µ¤ì¤Ê¤¤¥·¡¼¥±¥ó¥¹ÃͤòÍ¿¤¨¤Æ¤¤¤Þ¤¹¡£¤³¤Î¤¿¤á¥È¥é¥ó¥¶ - ¥¯¥·¥ç¥ó¤¬ÃæÃǤµ¤ì¤ë¤ÈÈÖ¹æ³ä¤êÅö¤Æ¤Ë¥®¥ã¥Ã¥×¤òÀ¸¤¸¤Þ¤¹¡£ - - 4.16) OID ¤È¤Ï²¿¤Ç¤¹¤«¡© TID ¤È¤Ï²¿¤Ç¤¹¤«¡© - - OID ¤È¤Ï°ì°Õ¤Î¥í¥¦ID ¤ËÂФ¹¤ë PostgreSQL ¤ÎÅú¤¨¤Ç¤¹¡£PostgreSQL - ¤ÎÃæ¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¥í¥¦¤Ï°ì°Õ¤Î OID ¤òÆÀ¤Þ¤¹¡£initdb ¤ÇȯÀ¸¤µ¤ì¤ë - OID ¤Ï¤¹¤Ù¤Æ 16384 (include/access/transam.h - ¤«¤é)¤è¤ê¾®¤µ¤ÊÃͤǤ¹¡£initdb ¸å¤Î¤¹¤Ù¤Æ¤Î OID - (¥æ¡¼¥¶ºîÀ®)¤Ï¤½¤ì°Ê¾å¤ÎÃͤˤʤê¤Þ¤¹¡£ ´ûÄê¤Ç¤Ï¡¢¤³¤ì¤é¤¹¤Ù¤Æ¤Î - OID¤Ï°ì¤Ä¤Î¥Ç¡¼¥Ö¥ë¤ä¥Ç¡¼¥¿¥Ù¡¼¥¹Æâ¤Ëα¤Þ¤é¤º¡¢PostgreSQL - ¥¤¥ó¥¹¥È¥ì¡¼¥·¥ç¥óÁ´ÂΤÎÃæ¤Ç°ì°Õ¤Ç¤¹¡£ - - PostgreSQL - ¤Ï¥Æ¡¼¥Ö¥ë´Ö¤Î¥í¥¦¤ò·ë¤Ó¤Ä¤±¤ë¤¿¤á¤Ë¡¢¤½¤Î¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ëÆâ¤Ë OID - ¤ò»È¤¤¤Þ¤¹¡£¤³¤Î OID - ¤ÏÆÃÄê¤Î¥æ¡¼¥¶¤Î¥í¥¦¤ò¼±Ê̤¹¤ë¤¿¤á¤ä·ë¹ç¤ÎÃæ¤Ç»È¤ï¤ì¤ë¤³¤È¤¬¤Ç¤ - ¤Þ¤¹¡£OID ¤ÎÃͤòÊݸ¤¹¤ë¤¿¤á¤Ë¤Ï OID - ·¿¤ò¥«¥é¥à¤Ë»È¤¦¤³¤È¤ò¾©¤á¤Þ¤¹¡£¤è¤ê®¤¯¥¢¥¯¥»¥¹¤¹¤ë¤¿¤á¤Ë OID - ¥Õ¥£¡¼¥ë¥É¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºî¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ OID - ¤Ï¡¢Á´¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ç»È¤ï¤ì¤ëÃæ±ûÎΰ褫¤é¡¢Á´¤Æ¤Î¿·¤·¤¤¥í¥¦¤Ë³ä¤êÅö - ¤Æ¤é¤ì¤Þ¤¹¡£OID ¤ò¾¤Î²¿¤«¤ËÊѤ¨¤¿¤¤¡¢¤¢¤ë¤¤¤Ï¸µ¤Î OID - ¤â¥Æ¡¼¥Ö¥ë¤È°ì½ï¤Ë¥³¥Ô¡¼¤·¤¿¤¤¤Î¤Ê¤é¡¢¤Ç¤¤Ê¤¯¤Ï¤¢¤ê¤Þ¤»¤ó¡£ - CREATE TABLE new_table(mycol int); - SELECT oid AS old_oid, mycol INTO tmp_table FROM old_table; - COPY tmp_table TO '/tmp/pgtable'; - COPY new_table WITH OIDS FROM '/tmp/pgtable'; - DROP TABLE tmp_table; - - OID - ¤Ï¡¢4¥Ð¥¤¥È¤ÎÀ°¿ô¤È¤·¤ÆÊݸ¤µ¤ì¤Æ¤¤¤ë¤Î¤Ç¡¢40²¯¤ò±Û¤¨¤ë¤È°î¤ì¤Æ¤·¤Þ¤¦¤ - Ǥ·¤ç¤¦¡£Ã¯¤â¤³¤ì¤¬µ¯¤ - ¤¿¤ÈÊó¹ð¤·¤Æ¤¯¤ë¿Í¤Ï¤¤¤Þ¤»¤ó¤Ç¤·¤¿¤¬¡¢¤½¤¦¤Ê¤ëÁ°¤Ë¤³¤ÎÀ©¸Â¤ò¼è¤ê½ü¤¯¤³ - ¤È¤ò·×²è¤·¤Æ¤¤¤Þ¤¹¡£ - - TID - ¤ÏÆÃÄê¤ÎʪÍý¥í¥¦¤ò¤½¤Î¥Ö¥í¥Ã¥¯¤È¥ª¥Õ¥»¥Ã¥ÈÃͤǼ±Ê̤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹ - ¡£TID ¤Ï¥í¥¦¤¬½¤Àµ¤µ¤ì¤¿¤êºÆ¥í¡¼¥É¤µ¤ì¤ë¤ÈÊѤï¤ê¤Þ¤¹¡£¤½¤ì¤é¤Î TID - ¤Ï¡¢ÊªÍý¥í¥¦¤ò»Ø¤¹¤¿¤á¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹µºÜ¤Ç»È¤ï¤ì¤Þ¤¹¡£ - - 4.17) PostgreSQL ¤Ç»È¤ï¤ì¤ë¤¤¤¯¤Ä¤«¤ÎÍѸì¤Î°ÕÌ£¤Ï²¿¤Ç¤¹¤«¡© - - ¤¤¤¯¤Ä¤«¤Î¥½¡¼¥¹¥³¡¼¥É¤ä¸Å¤¤Ê¸½ñ¤ÎÃæ¤Ë¤Ï¡¢¤½¤ì¤¾¤ÎÀìÌçʬÌî¤ÎÃæ¤Ç¤â¤Ã¤È - °ìÈÌŪ¤Ë»È¤ï¤ì¤ëÀìÌçÍѸ줬»È¤ï¤ì¤Æ¤¤¤Þ¤¹¡£ - * ¥Æ¡¼¥Ö¥ë(table)¡¢´Ø·¸(relation)¡¢¥¯¥é¥¹(class) - * ¥í¥¦(row)¡¢¥ì¥³¡¼¥É(record)¡¢¥¿¥Ã¥×¥ë(tuple) - * ¥«¥é¥à(column)¡¢¥Õ¥£¡¼¥ë¥É(field)¡¢Â°À(attribute) - * ¼èÆÀ(retrieve)¡¢ÁªÂò(select) - * ÃÖ´¹(replace)¡¢¹¹¿·(update) - * ÄɲÃ(append)¡¢ÁÞÆþ(insert) - * OID, Ï¢ÈÖ(serial value) - * ¥Ý¡¼¥¿¥ë(portal), ¥«¡¼¥½¥ë(cursor) - * ÎΰèÊÑ¿ô(range variable)¡¢¥Æ¡¼¥Ö¥ë̾(table - name)¡¢¥Æ¡¼¥Ö¥ëÊÌ̾(table alias) - - °ìÈÌŪ¤Ê¥Ç¡¼¥¿¥Ù¡¼¥¹ÍѸì¤Î¥ê¥¹¥È¤Ï¡§http://hea-www.harvard.edu/MST/sim - ul/software/docs/pkgs/pgsql/glossary/glossary.html ¤Ç¸«¤Ä¤±¤é¤ì¤Þ¤¹¡£ - - 4.18) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ "ERROR: Memory exhausted in - AllocSetAlloc()"¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - - ¤ª¤½¤é¤¯¡¢¥·¥¹¥Æ¥à¤Î²¾ÁÛ¥á¥â¥ê¡¼¤òÁ´¤Æ»È¤¤²Ì¤¿¤·¤Æ¤·¤Þ¤Ã¤Æ¤¤¤ë²ÄǽÀ - ¤¬¤¢¤ë¤«¡¢¥«¡¼¥Í¥ë¤¬¤¢¤ë¥ê¥½¡¼¥¹¤Ë¤Ä¤¤¤Æ¤â¤ÄÀ©¸ÂÃͤ¬Ä㤹¤®¤ë²ÄǽÀ - ¤¬¤¢¤ê¤Þ¤¹¡£ postmaster ¤ò»Ïư¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡§ - ulimit -d 262144 - limit datasize 256m - - ¥·¥§¥ë¤Ë¤è¤Ã¤Æ¡¢¤É¤Á¤é¤«¤Ò¤È¤Ä¤¬À®¸ù¤¹¤ë¤Ç¤·¤ç¤¦¤¬¡¢¤³¤ì¤Ï¥×¥í¥»¥¹¤Î¥Ç - ¡¼¥¿¥»¥°¥á¥ó¥ÈÀ©¸Â¤ò¤è¤ê¹â¤¯ÀßÄꤷ¡¢¤¿¤Ö¤óÌ䤤¹ç¤ï¤»¤¬´°·ë¤¹¤ë¤è¤¦¤Ë¤Ê - ¤ë¤Ç¤·¤ç¤¦¡£¤³¤Î¥³¥Þ¥ó¥É¤Ï¸½¹Ô¤Î¥×¥í¥»¥¹¤È¡¢¤³¤Î¥³¥Þ¥ó¥É¤òÁö¤é¤»¤¿¸å¤Ë - ºî¤é¤ì¤ëÁ´¤Æ¤Î¥µ¥Ö¥×¥í¥»¥¹¤Ë¤Ä¤¤¤ÆÅ¬ÍѤµ¤ì¤Þ¤¹¡£¥Ð¥Ã¥¯¥¨¥ó¥É¤¬¤È¤Æ¤â¿ - ¤¯¤Î¥Ç¡¼¥¿¤òÊÖ¤¹¤¿¤á¤ËSQL - ¥¯¥é¥¤¥¢¥ó¥È¤ÇÌäÂ꤬³¤¤¤Æ¤¤¤ë¤Î¤Ç¤¢¤ì¤Ð¡¢¥¯¥é¥¤¥¢¥ó¥È¤ò³«»Ï¤¹¤ëÁ°¤Ë¤³ - ¤ì¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£ - - 4.19) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL - ¤òÁö¤é¤»¤Æ¤¤¤ë¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - - psql ¤«¤é SELECT version(); ¤ò¥¿¥¤¥×¤·¤Þ¤¹¡£ - - 4.20) ¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥È¤ÎÁàºî¤Çinvalid large obj descriptor - ¤ò¼õ¤±¼è¤ê¤Þ¤·¤¿¡£¤Ê¤¼¤Ç¤·¤ç¤¦¤«¡© - - ¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥ÈÁàºî¤ò¤¹¤ë¤È¤¤Ï¡¢Á°¸å¤ËBEGIN - WORK¤ÈCOMMIT¤òÉÕ¤±¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¤¹¤Ê¤ï¤Á¡¢lo_open ... - lo_close¤ò¤Ï¤µ¤ß¹þ¤ß¤Þ¤¹¡£ - - ¸½ºß¤Ï¡¢PostgreSQL¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Î¥³¥ß¥Ã¥È»þ¤Ë¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥È - ¡¦¥Ï¥ó¥É¥ë¤òÊĤ¸¤ë¤³¤È¤Ë¤è¤ê¡¢lo_open¥³¥Þ¥ó¥É¤¬´°Î»¤·¤¿Ä¾¸å¤Ë¶¯À©Åª¤Ë¥ - 롼¥ë¤ò¼Â¹Ô¤·¤Þ¤¹¡£¤³¤Î¤¿¤á¡¢ºÇ½é¤Ë¥Ï¥ó¥É¥ë¤ËÂФ·¤Æ²¿¤«¤ò¤·¤è¤¦¤È¤¹¤ë¤ - È¡¢invalid large obj descriptor(¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥È¤Îµ - ½Ò»Ò¤¬ÉÔÀµ)¤È¤Ê¤ê¤Þ¤¹¡£¤½¤ì¤Ç¡¢¤â¤·¡¢¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤ò»È¤¦¤Î¤ò˺¤ì¤ë¤ - È¡¢¡Ê¾¯¤Ê¤¯¤È¤â¤Û¤È¤ó¤É¤Î»þ´Ö¡ËƯ¤¤¤Æ¤¤¤¿¥³¡¼¥É¤¬¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò½Ð¤ - ¹¤Î¤Ç¤¹¡£ - - ¤â¤·¡¢ODBC¤Î¤è¤¦¤Ê¥¯¥é¥¤¥¢¥ó¥È¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤ò¤ª»È¤¤¤Ê¤é¡¢auto-commi - t off¤òÀßÄꤹ¤ëɬÍפ¬¤¢¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£ - - 4.21) ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤Ê¥«¥é¥à¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© - - CURRENT_TIMESTAMP¤ò»È¤¤¤Þ¤¹: - CREATE TABLE test (x int, modtime timestamp DEFAULT CURRENT_TIMESTAMP ); +ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç create_sequence ¤ò¤´¤é +¤ó¤¯¤À¤µ¤¤¡£ + +4.11.2) SERIAL¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© + +¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢nextval() ´Ø¿ô¤ò»È¤Ã¤Æ¤½¤ÎÃͤòÁÞÆþ¤¹¤ëÁ°(before)¤Ë SEQUENCE ¥ª +¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤Î SERIAL Ãͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤¹¡£ +4.11.1 ¤Î¥Æ¡¼¥Ö¥ë¤ÎÎã¤ò»È¤¦¤È¤¹¤ë¤È¡¢µ¿»÷¸À¸ì¤Ç¤Ï¤³¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ + + new_id = execute("SELECT nextval('person_id_seq')"); + execute("INSERT INTO person (id, name) VALUES (new_id, 'Blaise Pascal')"); + +¤½¤¦¤·¤Æ¡¢new_id ¤ËÊݸ¤·¤¿¿·¤·¤¤Ãͤò¾¤Î¥¯¥¨¥ê(¤¿¤È¤¨¤Ð¡¢ person ¥Æ¡¼¥Ö¥ë¤ËÂÐ +¤¹¤ë³°Éô¥¡¼(foreign key)¤Î¤è¤¦¤Ë)»È¤¦¤È¤è¤¤¤Ç¤·¤ç¤¦¡£¼«Æ°Åª¤Ëºî¤é¤ì¤¿SEQUENCE +¥ª¥Ö¥¸¥§¥¯¥È¤Î̾Á°¤Ï¡¢<table>_<serialcolumn>_seq ¤Î¤è¤¦¤Ë¤Ê¤ê¡¢¤³¤Î¤¦¤Á¡¢table +¤È serialcolumn ¤Ï¤½¤ì¤¾¤ì¥Æ¡¼¥Ö¥ë¤Î̾Á°¤ÈSERIAL¥«¥é¥à¤Î̾Á°¤Ç¤¹¡£ + +¤¢¤ë¤¤¤Ï¡¢Í¿¤¨¤é¤ì¤¿SERIALÃͤò¡¢¤½¤ì¤¬´ûÄêÃͤȤ·¤ÆÁÞÆþ¤µ¤ì¤¿¸å¤Ç(after)¡¢ +currval() ´Ø¿ô¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤â¤Ç¤¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ + + execute("INSERT INTO person (name) VALUES ('Blaise Pascal')"); + new_id = execute("SELECT currval('person_id_seq')"); + +4.11.3) currval() ¤Ï¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂ֤˴٤뤳¤È¤Ï¤Ê¤¤¤Ç¤¹¤«¡© + +¤½¤ì¤Ï¤¢¤ê¤Þ¤»¤ó¡£currval() ¤Ï¡¢¤¹¤Ù¤Æ¤Î¥æ¡¼¥¶¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢ÆÉ¼Ô¤Î¥»¥Ã¥·¥ç +¥ó¤ËÍ¿¤¨¤é¤ì¤¿¸½ºß¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£ + +4.11.4) ¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤ·¤¿¤È¤¤Ë¤â¤¦¤¤¤Á¤É¥·¡¼¥±¥ó¥¹Èֹ椬»È¤ï¤ì¤Ê¤¤¤Î +¤Ï¤Ê¤¼¤Ç¤¹¤«¡©¥·¡¼¥±¥ó¥¹¡¿SERIAL¥«¥é¥à¤Ë¶õ¤¤¬¤¢¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© + +Ʊ»þÀ¤ò²þÁ±¤¹¤ë¤¿¤á¤Ë¡¢¼Â¹ÔÃæ¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Ë¡¢É¬Íפ˱þ¤¸¤Æ¥È¥é¥ó¥¶¥¯¥·¥ç +¥ó¤¬½ªÎ»¤¹¤ë¤Þ¤Ç¥í¥Ã¥¯¤µ¤ì¤Ê¤¤¤è¤¦¥·¡¼¥±¥ó¥¹ÃͤòÍ¿¤¨¤Æ¤¤¤Þ¤¹¡£¤³¤Î¤¿¤á¥È¥é¥ó¥¶ +¥¯¥·¥ç¥ó¤¬ÃæÃǤµ¤ì¤ë¤ÈÈÖ¹æ³ä¤êÅö¤Æ¤Ë¥®¥ã¥Ã¥×¤òÀ¸¤¸¤Þ¤¹¡£ + +4.12) OID ¤È¤Ï²¿¤Ç¤¹¤«¡© CTID ¤È¤Ï²¿¤Ç¤¹¤«¡© + +PostgreSQL¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¥í¥¦¤Ï¡¢WITHOUT OIDS ¤Ç¤Ä¤¯¤é¤ì¤Ê¤¤¤«¤®¤ê°ì°Õ¤Î +OID¤òÆÀ¤Þ¤¹¡£ OID¤Ï¼«Æ°Åª¤Ë4¥Ð¥¤¥È¤ÎÀ°¿ô¤ÇÍ¿¤¨¤é¤ì¡¢¤½¤ì¤Ï¡¢Á´¥¤¥ó¥¹¥È¥ì¡¼¥·¥ç +¥ó¤òÄ̤·¤Æ°ì°Õ¤ÊÃͤȤʤê¤Þ¤¹¡£¤·¤«¤·¡¢Ìó40²¯¤Ç¥ª¡¼¥Ð¡¼¥Õ¥í¡¼¤·¡¢¤½¤·¤Æ¡¢OID¤Ï½Å +Ê£¤ò¤·¤Ï¤¸¤á¤Þ¤¹¡£PostgreSQL¤ÏÆâÉô¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤ò°ì½ï¤Ë¥ê¥ó¥¯¤¹¤ët¤¿¤á¤ËOID +¤ò»È¤¤¤Þ¤¹¡£ + +¥æ¡¼¥¶¤Î¥Æ¡¼¥Ö¥ë¤Î¥«¥é¥à¤Ë°ì°Õ¤ÎÈÖ¹æ¤òÉÕ¤±¤ë¤¿¤á¤Ë¤Ï¡¢ OID ¤Ç¤Ï¤Ê¤¯ SERIAL ¤ò»È +¤¦¤Î¤¬ºÇ¤â¤è¤¤¤Ç¤·¤ç¤¦¡£SERIAL¤ÎÏ¢ÈÖ¤Ï1¤Ä¤Î¥Æ¡¼¥Ö¥ëÆâ¤Ç¤Î¤ß°ì°Õ¤Ë¤Ê¤ë¤«¤é¤Ç¡¢¥ª +¡¼¥Ð¡¼¥Õ¥í¡¼¤òµ¯¤³¤·¤Ë¤¯¤¤¤È¹Í¤¨¤é¤ì¤Þ¤¹¡£ 8¥Ð¥¤¥È¤Î¥·¡¼¥±¥ó¥¹ÃͤòÊݸ¤¹¤ë¤¿¤á +¤Ë¡¢SERIAL8¤¬¤¢¤ê¤Þ¤¹¡£ + +CTID ¤Ï¡¢ÆÃÄê¤ÎʪÍý¥í¥¦¤ò¥Ö¥í¥Ã¥¯¤È¥ª¥Õ¥»¥Ã¥È¤ÎÃͤǼ±Ê̤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£ +CTID¤Ï¡¢¥í¥¦¤¬½¤Àµ¤µ¤ì¤¿¤êºÆÆÉ¹þ¤ß¤µ¤ì¤¿¤È¤¤ËÊѤï¤ê¤Þ¤¹¡£¤Þ¤¿¡¢ÊªÍý¥í¥¦¤òº¹¤¹ +¤¿¤á¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤ÎµºÜ¤Ë»È¤ï¤ì¤Þ¤¹¡£ + +4.13) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ "ERROR: Memory exhausted in AllocSetAlloc()"¤¬½Ð¤ë¤Î¤Ï¤Ê +¤¼¤Ç¤¹¤«¡© + +¤ª¤½¤é¤¯¡¢¥·¥¹¥Æ¥à¤Î²¾ÁÛ¥á¥â¥ê¡¼¤òÁ´¤Æ»È¤¤²Ì¤¿¤·¤Æ¤·¤Þ¤Ã¤Æ¤¤¤ë²ÄǽÀ¤¬¤¢¤ë¤«¡¢ +¥«¡¼¥Í¥ë¤¬¤¢¤ë¥ê¥½¡¼¥¹¤Ë¤Ä¤¤¤Æ¤â¤ÄÀ©¸ÂÃͤ¬Ä㤹¤®¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£postmaster +¤ò»Ïư¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡§ + + ulimit -d 262144 + limit datasize 256m + +¥·¥§¥ë¤Ë¤è¤Ã¤Æ¡¢¤É¤Á¤é¤«¤Ò¤È¤Ä¤¬À®¸ù¤¹¤ë¤Ç¤·¤ç¤¦¤¬¡¢¤³¤ì¤Ï¥×¥í¥»¥¹¤Î¥Ç¡¼¥¿¥»¥° +¥á¥ó¥ÈÀ©¸Â¤ò¤è¤ê¹â¤¯ÀßÄꤷ¡¢¤¿¤Ö¤ó¥¯¥¨¥ê¤¬´°·ë¤¹¤ë¤è¤¦¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£¤³¤Î¥³¥Þ +¥ó¥É¤Ï¸½¹Ô¤Î¥×¥í¥»¥¹¤È¡¢¤³¤Î¥³¥Þ¥ó¥É¤òÁö¤é¤»¤¿¸å¤Ëºî¤é¤ì¤ëÁ´¤Æ¤Î¥µ¥Ö¥×¥í¥»¥¹¤Ë +¤Ä¤¤¤ÆÅ¬ÍѤµ¤ì¤Þ¤¹¡£¥Ð¥Ã¥¯¥¨¥ó¥É¤¬¤È¤Æ¤â¿¤¯¤Î¥Ç¡¼¥¿¤òÊÖ¤¹¤¿¤á¤ËSQL ¥¯¥é¥¤¥¢¥ó +¥È¤ÇÌäÂ꤬³¤¤¤Æ¤¤¤ë¤Î¤Ç¤¢¤ì¤Ð¡¢¥¯¥é¥¤¥¢¥ó¥È¤ò³«»Ï¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À +¤µ¤¤¡£ + +4.14) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òÁö¤é¤»¤Æ¤¤¤ë¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© + +psql ¤«¤é SELECT version(); ¤ò¥¿¥¤¥×¤·¤Þ¤¹¡£ + +4.15) ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤Ê¥«¥é¥à¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© + +CURRENT_TIMESTAMP¤ò»È¤¤¤Þ¤¹: + + CREATE TABLE test (x int, modtime TIMESTAMP DEFAULT CURRENT_TIMESTAMP ); + +4.16) ³°Éô·ë¹ç(outer join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«? + +PostgreSQL ¤Ï SQL ɸ½à¹½Ê¸¤ò»È¤¦³°Éô·ë¹ç(¥¢¥¦¥¿¡¼¥¸¥ç¥¤¥ó)¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¤³ +¤³¤Ë 2¤Ä¤ÎÎãÂ꤬¤¢¤ê¤Þ¤¹¡£ + + SELECT * + FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col); + +¤¢¤ë¤¤¤Ï + + SELECT * + FROM t1 LEFT OUTER JOIN t2 USING (col); + +¤³¤ì¤é¤Î¾ÝħŪ¤Ê¥¯¥¨¥ê¤Ç¤Ï t1.col ¤ò t2.col ¤È·ë¹ç¤·¤Æ¡¢t1 ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í +¥¦(t2 ¤È°ìÃפ·¤Ê¤«¤Ã¤¿¥í¥¦)¤âÊÖ¤·¤Æ¤¤¤Þ¤¹¡£RIGHT ·ë¹ç¤Ï t2 ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í +¥¦¤ò²Ã¤¨¤ë¤Ç¤·¤ç¤¦¡£FULL ·ë¹ç¤Ï¡¢°ìÃפ·¤¿¥í¥¦¤Ë t1 ¤È t2 ¤«¤é¤Ï·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿ +¥í¥¦¤òÊÖ¤¹¤Ç¤·¤ç¤¦¡£OUTER ¤È¤¤¤¦¸ÀÍդϥª¥×¥·¥ç¥ó¤Ç LEFT, RIGHT, ¤Þ¤¿¤Ï FULL ¤Ê +¤É¤Î·ë¹ç¤ò²¾Äꤵ¤ì¤Æ¤¤¤Þ¤¹¡£Ä̾·ë¹ç¤ÏINNER·ë¹ç¤È¸Æ¤Ð¤ì¤Þ¤¹¡£ + +4.17) Ê£¿ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò»È¤¦Ì䤤¹ç¤ï¤»¤Ï¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤Ç¤¤Þ¤¹¤«¡© + +¸½¹Ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹°Ê³°¤Ø¤ÎÌ䤤¹ç¤ï¤»¤ÎÊýË¡¤Ï¤¢¤ê¤Þ¤»¤ó¡£¤È¤¤¤¦¤Î¤âPostgreSQL¤¬ +¥Ç¡¼¥¿¥Ù¡¼¥¹»ÅÍͤΥ·¥¹¥Æ¥à¥«¥¿¥í¥°¤òÆÉ¤ß¹þ¤à¤¿¤á¤Ç¡¢¤½¤³¤Ë¤Ï¡¢¤¿¤È¤¨¤½¤Î¤Õ¤ê¤ò +¤¹¤ë¤À¤±¤Ë¤·¤í¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò±Û¤¨¤ÆÌ䤤¹ç¤ï¤»¤ò¤¹¤ë¤¹¤Ù¤¬¤¢¤ê¤Þ¤»¤ó¡£ + +contrib/dblink ¤Ï¥Ç¡¼¥¿¥Ù¡¼¥¹´Ö(cross-database)¤ÎÌ䤤¹ç¤ï¤»¤ò´Ø¿ô¸Æ½Ð¤·¤Ë¤è¤êµö +¤·¤Þ¤¹¡£¤â¤Á¤í¤ó¡¢¥¯¥é¥¤¥¢¥ó¥È¤ÏƱ»þ¤ËÀܳ¤òÊ̤Υǡ¼¥¿¥Ù¡¼¥¹¤Ø¤âÄ¥¤é¤Ê¤¯¤Æ¤Ï¤Ê +¤é¤º¡¢·ë²Ì¤ò¥¯¥é¥¤¥¢¥ó¥È¦¤Ç¥Þ¡¼¥¸¤·¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£ + +4.18) ´Ø¿ô¤«¤éÊ£¿ô¤Î¥í¥¦¤Þ¤¿¤Ï¥«¥é¥à¤òÊÖ¤¹¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© + +½¸¹ç¤òÊÖ¤¹´Ø¿ô(Set Returning Functions): http://techdocs.postgresql.org/guides/ +SetReturningFunctions ¤ò»È¤¦¤È´Êñ¤Ç¤¹ + +¡£ + +4.19) PL/PgSQL ¤Î´Ø¿ô¤ÎÃæ¤Ç°ì»þ¥Æ¡¼¥Ö¥ë¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È¤¡¢¤É¤¦¤·¤Æ "relation +with OID ##### does not exist" ¤È¤¤¤¦¥¨¥é¡¼¤ò¼õ¤±¼è¤ë¤Î¤Ç¤·¤ç¤¦¤«¡© + +PL/PgSQL ¤Ï´Ø¿ô¥¹¥¯¥ê¥×¥È¤ò¥¥ã¥Ã¥·¥å¤·¡¢ÉÔ¹¬¤Ë¤â¤½¤ÎÉûºîÍѤǡ¢ PL/PgSQL´Ø¿ô¤¬ +°ì»þ¥Æ¡¼¥Ö¥ë¤Ë¥¢¥¯¥»¥¹¤¹¤ë¾ì¹ç¡¢¸å¤Ç¤½¤Î¥Æ¡¼¥Ö¥ë¤ò¾Ã¤·¤Æºî¤ê¤Ê¤ª¤µ¤ì¡¢´Ø¿ô¤¬¤â +¤¦°ìÅٸƤӽФµ¤ì¤ë¤È¡¢¤½¤Î´Ø¿ô¤Ï¥¥ã¥Ã¥·¥å¤·¤Æ¤¤¤ë´Ø¿ô¤ÎÆâÍÆ¤Ï¤Þ¤À¸Å¤¤°ì»þ¥Æ¡¼ +¥Ö¥ë¤òº¹¤·¼¨¤·¤¿¤Þ¤Þ¤À¤«¤é¤Ç¤¹¡£¤³¤Î¡¢²ò·èºö¤È¤·¤Æ¡¢PL/PgSQL¤ÎÃæ¤Ç EXECUTE ¤ò°ì +»þ¥Æ¡¼¥Ö¥ë¤Ø¤Î¥¢¥¯¥»¥¹¤Î¤¿¤á¤Ë»È¤¤¤Þ¤¹¡£¤½¤¦¤¹¤ë¤È¡¢¥¯¥¨¥ê¤ÏËè²ó¥Ñ¡¼¥¹¤ò¤ä¤êľ +¤·¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ + +4.20) ¤É¤Î¤è¤¦¤Ê¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥½¥ê¥å¡¼¥·¥ç¥ó¤¬¤¢¤ê¤Þ¤¹¤«¡© + +¡Ö¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¡×¤È°ì¸À¤Ç¸À¤¤¤Þ¤¹¤¹¤¬¡¢¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤ò¤¹¤ë¤¿¤á¤Îµ»½Ñ¤Ï¤¤ +¤¯¤Ä¤«¤¢¤ê¡¢¤½¤ì¤¾¤ì¡¢ÍøÅÀ¤È·çÅÀ¤¬¤¢¤ê¤Þ¤¹¡£ + +¥Þ¥¹¥¿¡¿¥¹¥ì¡¼¥Ö¤Î¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤Ï¡¢ÆÉ¤ß¡¿½ñ¤¤Î¥¯¥¨¥ê¤ò¼õ¤±¼è¤ë¥·¥ó¥°¥ë¥Þ¥¹ +¥¿¤¬²Äǽ¤Ç¡¢¥¹¥ì¡¼¥Ö¤Ç¤ÏÆÉ¤ß¡¿SELECT¤ÎÌ䤤¹ç¤ï¤»¤À¤±¤ò¼õ¤±ÉÕ¤±¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹ +¡£ºÇ¤â¿Íµ¤¤¬¤¢¤ë¡¢¥Õ¥ê¡¼¤ÇÍøÍѤǤ¤ë¡¢¥Þ¥¹¥¿¡Ý¥¹¥ì¡¼¥Ö¤ÎPosrgreSQL¥ì¥×¥ê¥±¡¼¥· +¥ç¥ó¥½¥ê¥å¡¼¥·¥ç¥ó¤Ï¡¢ Slony-I ¤Ç¤¹¡£ + +¥Þ¥ë¥Á¡Ý¥Þ¥¹¥¿¤Î¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤Ï¡¢ÆÉ¤ß¡¿½ñ¤¤Î¥¯¥¨¥ê¤ò¼õ¤±¤È¤ê¡¢Ê£¿ô¤Î¥ì¥×¥ê +¥±¡¼¥È¤µ¤»¤ë¥³¥ó¥Ô¥å¡¼¥¿¤ËÁ÷¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤³¤Îµ¡Ç½¤Ï¡¢¥µ¡¼¥Ð´Ö¤ÎÊѹ¹¤ÎƱ´ü +¤¬É¬Íפʤ¿¤á¡¢Àǽ¤Ë½ÅÂç¤Ê¾×·â¤òÍ¿¤¨¤Þ¤¹¡£ Pgcluster ¤Ï¡¢¤³¤Î¤è¤¦¤Ê¥½¥ê¥å¡¼¥·¥ç +¥ó¤È¤·¤ÆPosrgreSQL¤Î¤¿¤á¤Ë¥Õ¥ê¡¼¤ÇÍøÍѤǤ¤ë¤â¤Î¤È¤·¤Æ¡¢ºÇ¤â¿Íµ¤¤¬¤¢¤ê¤Þ¤¹¡£ + +¤³¤Î¾¤Ë¤â¡¢¾¦ÍѤä¥Ï¡¼¥É¥¦¥§¥¢¡Ý¥Ù¡¼¥¹¤Î¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¥½¥ê¥å¡¼¥·¥ç¥ó¤¬¤¤¤í¤¤ +¤í¤Ê¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¥â¥Ç¥ë¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£ + +¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬¨¬ - 4.22) ¤Ê¤¼¡¢IN¤ò»È¤¦ÉûÌ䤤¹ç¤ï¤»¤¬¤È¤Æ¤âÃÙ¤¤¤Î¤Ç¤¹¤«¡© - - 7.4 - ¤è¤êÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢ÉûÌ䤤¹ç¤ï¤»¤Ï¡¢ÉûÌ䤤¹ç¤ï¤»¤Î·ë²Ì¤ò³°ÉôÌ䤤¹ç - ¤ï¤»¤Î³Æ¥í¥¦¤Ë¤Ä¤¤¤Æ½ç¼¡Áöºº¤¹¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢³°Éô¤ÎÌ䤤¹ç¤ï¤»¤Ë·ë¹ç¤µ - ¤»¤é¤ì¤ë¡£ - ÉûÌ䤤¹ç¤ï¤»¤¬¤ï¤º¤«¤Ê¥í¥¦¤·¤«ÊÖ¤µ¤º¡¢³°ÉôÌ䤤¹ç¤ï¤»¤¬Âô»³¤Î¥í¥¦¤òÊÖ¤¹ - ¾ì¹ç¤Ï¡¢IN¤¬ºÇ¤âÁᤤ¤Ç¤¹¡£Â¾¤ÎÌ䤤¹ç¤ï¤»¤ò¹â®²½¤¹¤ë¤Ë¤Ï¡¢IN¤òEXISTS¤Ë - ÃÖ´¹¤·¤Þ¤¹: - SELECT * - FROM tab - WHERE col IN (SELECT subcol FROM subtab) - - ¤ò¡¢ÃÖ¤´¹¤¨¤Æ¡§ - SELECT * - FROM tab - WHERE EXISTS (SELECT subcol FROM subtab WHERE subcol = col) - - ¤È¤·¤Þ¤¹¡£ ¤³¤ì¤¬¼ê¤Ã¼è¤êÁᤤ¤Ç¤¹¤¬¡¢subcol¤Ïº÷°úÉÕ¤¥«¥é¥à¤Ç¤¢¤ë¤Ù¤ - ¤Ç¤¹¡£ - - ¥Ð¡¼¥¸¥ç¥ó7.4°Ê¹ß¤Ç¤Ï¡¢IN¤Ï¡¢Ä̾ï¤ÎÌ䤤¹ç¤ï¤»¤ÈƱÍͤÎÀöÎý¤µ¤ì¤¿¥¸¥ç¥¤¥ - ó¤Îµ»½Ñ¤ò¼ÂºÝ¤Ë»È¤¤¡¢EXISTS¤ò»È¤¦¤³¤È¤ò¹¥¤ß¤Þ¤¹¡£ - - 4.23) ³°Éô·ë¹ç(outer join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«? - - PostgreSQL ¤Ï SQL - ɸ½à¹½Ê¸¤ò»È¤¦³°Éô·ë¹ç(¥¢¥¦¥¿¡¼¥¸¥ç¥¤¥ó)¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¤³¤³¤Ë - 2¤Ä¤ÎÎãÂ꤬¤¢¤ê¤Þ¤¹¡£ - SELECT * - FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col); - - ¤¢¤ë¤¤¤Ï - SELECT * - FROM t1 LEFT OUTER JOIN t2 USING (col); - - ¤³¤ì¤é¤Î¾ÝħŪ¤ÊÌ䤤¹ç¤ï¤»¤Ç¤Ï t1.col ¤ò t2.col ¤È·ë¹ç¤·¤Æ¡¢t1 - ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦(t2 ¤È°ìÃפ·¤Ê¤«¤Ã¤¿¥í¥¦)¤âÊÖ¤·¤Æ¤¤¤Þ¤¹¡£RIGHT - ·ë¹ç¤Ï t2 ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦¤ò²Ã¤¨¤ë¤Ç¤·¤ç¤¦¡£FULL - ·ë¹ç¤Ï¡¢°ìÃפ·¤¿¥í¥¦¤Ë t1 ¤È t2 - ¤«¤é¤Ï·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦¤òÊÖ¤¹¤Ç¤·¤ç¤¦¡£OUTER - ¤È¤¤¤¦¸ÀÍդϥª¥×¥·¥ç¥ó¤Ç LEFT, RIGHT, ¤Þ¤¿¤Ï FULL - ¤Ê¤É¤Î·ë¹ç¤ò²¾Äꤵ¤ì¤Æ¤¤¤Þ¤¹¡£Ä̾·ë¹ç¤ÏINNER·ë¹ç¤È¸Æ¤Ð¤ì¤Þ¤¹¡£ - - °ÊÁ°¤Î¥ê¥ê¡¼¥¹¤Ç¤Ï³°Éô·ë¹ç(outer join)¤òUNION ¤È NOT IN - ¤ò»È¤Ã¤Æ¥·¥ß¥å¥ì¡¼¥È¤Ç¤¤Þ¤¹¡£ ¤¿¤È¤¨¤Ð¡¢tab1 ¤È tab2 ¤ò·ë¹ç¤¹¤ë¤È¤ - ¤Ï¡¢¼¡¤ÎÌ䤤¹ç¤ï¤»¤ÇÆó¤Ä¤Î¥Æ¡¼¥Ö¥ë¤ò³°Éô·ë¹ç¤·¤Þ¤¹¡£ - SELECT tab1.col1, tab2.col2 - FROM tab1, tab2 - WHERE tab1.col1 = tab2.col1 - UNION ALL - SELECT tab1.col1, NULL - FROM tab1 - WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2) - ORDER BY col1 - - 4.24) Ê£¿ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò»È¤¦Ì䤤¹ç¤ï¤»¤Ï¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤Ç¤¤Þ¤¹¤«¡© - - ¸½¹Ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹°Ê³°¤Ø¤ÎÌ䤤¹ç¤ï¤»ÊýË¡¤Ï¤¢¤ê¤Þ¤»¤ó¡£¤È¤¤¤¦¤Î¤âPostgr - eSQL¤¬¥Ç¡¼¥¿¥Ù¡¼¥¹»ÅÍͤΥ·¥¹¥Æ¥à¥«¥¿¥í¥°¤òÆÉ¤ß¹þ¤à¤¿¤á¤Ç¡¢¤½¤³¤Ë¤Ï¡¢¤¿ - ¤È¤¨¤½¤Î¤Õ¤ê¤ò¤¹¤ë¤À¤±¤Ë¤·¤í¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò±Û¤¨¤ÆÌ䤤¹ç¤ï¤»¤ò¤¹¤ë¤¹¤Ù - ¤¬¤¢¤ê¤Þ¤»¤ó¡£ - - contrib/dblink - ¤Ï¥Ç¡¼¥¿¥Ù¡¼¥¹´Ö(cross-database)¤ÎÌ䤤¹ç¤ï¤»¤ò´Ø¿ô¸Æ½Ð¤·¤Ë¤è¤êµö¤·¤Þ¤¹ - ¡£¤â¤Á¤í¤ó¡¢¥¯¥é¥¤¥¢¥ó¥È¤ÏƱ»þ¤ËÀܳ¤òÊ̤Υǡ¼¥¿¥Ù¡¼¥¹¤Ø¤âÄ¥¤é¤Ê¤¯¤Æ¤Ï - ¤Ê¤é¤º¡¢·ë²Ì¤ò¥¯¥é¥¤¥¢¥ó¥È¦¤Ç¥Þ¡¼¥¸¤·¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£ - - 4.25) ´Ø¿ô¤ÇÊ£¿ô¤Î¥í¥¦¤Þ¤¿¤Ï¥«¥é¥à¤òÊÖ¤¹¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© - - 7.3¤Ç¤Ï´Ø¿ô¤«¤é¡¢Ê£¿ô¤Î¥í¥¦¤äÊ£¿ô¥«¥é¥à¤ò´Êñ¤ËÊÖ¤»¤Þ¤¹¡£ - http://techdocs.postgresql.org/guides/SetReturningFunctions¡£ - - 4.26)¤Ê¤¼¡¢PL/PgSQL ´Ø¿ô¤ÎÃæ¤«¤é°ì»þ¥Æ¡¼¥Ö¥ë¤ò³Î¼Â¤Ë create/drop - ¤¹¤ë¤³¤È¤¬¤Ç¤¤Ê¤¤¤Î¤Ç¤·¤ç¤¦¤«¡© - - PL/PgSQL ¤Ï´Ø¿ô¤ÎÆâÍÆ¤ò¥¥ã¥Ã¥·¥å¤·¡¢¤½¤ÎÉÔ¹¬¤ÊÉûºîÍѤΤ¿¤á¡¢¤â¤· - PL/PgSQL - ´Ø¿ô¤¬°ì»þ¥Æ¡¼¥Ö¥ë¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È¡¢¤½¤Î¥Æ¡¼¥Ö¥ë¤Ï¤¢¤È¤Ç¥É¥í¥Ã¥×¤µ¤ìºÆ - ºîÀ®¤µ¤ì¤Þ¤¹¤¬¡¢´Ø¿ô¤¬ºÆ¤Ó¸Æ¤Ó½Ð¤µ¤ì¤ë¤È¡¢¥ - ¥ã¥Ã¥·¥å¤µ¤ì¤Æ¤¤¤ë¤½¤Î´Ø¿ô¤ÎÆâÍÆ¤Ï¤Þ¤À¸Å¤¤°ì»þ¥Æ¡¼¥Ö¥ë¤ò°ÍÁ³¤È¤·¤Æ»Ø¤· - ¤Æ¤¤¤ë¤«¤é¤Ç¤¹¡£²ò·èºö¤Ï¡¢ PL/PgSQL ¤ÎÃæ¤Ç EXECUTE - ¤ò°ì»þ¥Æ¡¼¥Ö¥ë¥¢¥¯¥»¥¹¤Î¤¿¤á¤Ë»È¤¦¤³¤È¤Ç¤¹¡£¤³¤ì¤Ç¡¢Ëè²óÌ䤤¹ç¤ï¤»¤ò¥Ñ - ¡¼¥¹¤·Ä¾¤¹¤³¤È¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£ - - 4.27) ¤É¤Î¤è¤¦¤Ê°Å¹æ²½¥ª¥×¥·¥ç¥ó¤òÍøÍѤǤ¤Þ¤¹¤«? - - * contrib/pgcrypto¤Ë¤ÏSQLÌ䤤¹ç¤ï¤»¤ÎÃæ¤Ç»È¤¦¤¿¤á¤ÎÂô»³¤Î°Å¹æ²½¤ò´Þ¤ - ߤޤ¹¡£ - * ¥¯¥é¥¤¥¢¥ó¥È¤È¥µ¡¼¥Ð¤È¤Î´Ö¤ÎÅÁÁ÷¤ò°Å¹æ²½¤¹¤ë¤Ë¤Ï¡¢¥µ¡¼¥Ð¤Ç¤Ïpostgr - esql.conf¤Îssl¥ª¥×¥·¥ç¥ó¤òtrue - ¤ËÀßÄꤷ¡¢pg_hba.conf¤Ë¤ÏŬÍѤ¹¤ëhost¤¢¤ë¤¤¤Ïhostssl¤Î¹Ô¤¬¤Ê¤¯¤Æ¤Ï - ¤Ê¤ê¤Þ¤»¤ó¡£¤½¤·¤Æ¡¢¥¯¥é¥¤¥¢¥ó¥È¤Ç¤Ïsslmode¤òdisable¤Ë¤·¤Æ¤Ï¤Ê¤ê¤Þ - ¤»¤ó¡£ (PostgreSQL½ãÀµ¤ÎSSLÀܳ¤Î¤«¤ï¤ê¤Ë¡¢stunnel ¤ä ssh - ¥µ¡¼¥É¥Ñ¡¼¥Æ¥£À½¤Î°Å¹æ²½Å¾Á÷¤ò»È¤¦¤³¤È¤â²Äǽ¤Ç¤¢¤ë¤³¤È¤âµ¤·¤Æ¤ª¤ - ¤Þ¤¹¡£) - * ¥Ð¡¼¥¸¥ç¥ó7.3 - ¤Ç¤Ï¥Ç¡¼¥¿¥Ù¡¼¥¹¥æ¡¼¥¶¤Î¥Ñ¥¹¥ï¡¼¥É¤ÏÊݸ¤µ¤ì¤ë»þ¤Ë¼«Æ°Åª¤Ë°Å¹æ²½¤µ - ¤ì¤Þ¤¹¡£ - ¤½¤ì¤è¤êÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ïpostgresql.confÃæ¤ÇPASSWORD_ENCRYPTION¤ò - ͸ú¤Ë¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ - * ¥µ¡¼¥Ð¡¼¤òÁö¤é¤»¤ë¤Î¤Ë°Å¹æ²½¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò»È¤¦¤³¤È¤â¤Ç¤¤Þ¤¹¡£ - -[ÌõÃí - ¥ì¥×¥ê¥±¡¼¥·¥ç¥ó´ØÏ¢¤Î¹àÌܤ¬¤Ê¤¯¤Ê¤ê¤Þ¤·¤¿¤¬¡¢ÌõÃí¤Î¤ß»Ä¤·¤Æ¤¢¤ê¤Þ¤¹¡£ - - Jan Wieck¤µ¤ó¤Ë¤è¤ë¥«¥¹¥±¡¼¥É²Äǽ¤Ê¥Þ¥¹¥¿¡¼¡¦¥¹¥ì¡¼¥Ö·¿¤Î¥ì¥×¥ê¥±¡¼¥·¥ç¥ó Slony-I - http://gborg.postgresql.org/project/slony1/projdisplay.php - - ÀаæÃ£Éפµ¤ó¤Ë¤è¤ë¥³¥Í¥¯¥·¥ç¥ó¥×¡¼¥ë ¥µ¡¼¥Ð PGPool - http://www2b.biglobe.ne.jp/~caco/pgpool/ - - »°Ã«ÆÆ¤µ¤ó¤Ë¤è¤ë¥Þ¥ë¥Á¥Þ¥¹¥¿Êý¼°¤ÎƱ´ü¥ì¥×¥ê¥±¡¼¥·¥ç¥ó PGCluster - http://www.csra.co.jp/~mitani/jpug/pgcluster/index.html - - JPUG ʬ»¶¥È¥é¥ó¥¶¥¯¥·¥ç¥ó³«È¯Ê¬²Ê²ñ¤Ç¤Ï¡¢±Ê°Â¸ç»Ë¤µ¤ó¤¬£²Áꥳ¥ß¥Ã¥È - ¤Î¼ÂÁõ¤ò¹Ô¤¤¤Þ¤·¤¿¡£ - http://www.postgresql.jp/wg/dt/index.html -] - _________________________________________________________________ - - PostgreSQL¤Î³ÈÄ¥¤Ë¤Ä¤¤¤Æ¤Î¼ÁÌä - - 5.1) ¼«Ê¬¤Ç½ñ¤¤¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò psql - ¤ÎÃæ¤Ç¼Â¹Ô¤¹¤ë¤È¥³¥¢¡¦¥À¥ó¥×¤·¤Æ¤·¤Þ¤¦¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© - - ÌäÂê¤Ï¿§¡¹¤È¹Í¤¨¤é¤ì¤Þ¤¹¤¬¡¢¤Þ¤ººÇ½é¤Ë¡¢ºîÀ®¤·¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤òñÆÈ¤Î - ¥Æ¥¹¥È¥×¥í¥°¥é¥à¤Ë¤·¤Æ»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£ - - 5.2) PostgreSQL - ÍѤ˽ñ¤¤¤¿¤Á¤ç¤Ã¤ÈÁÇŨ¤Ê¿·¤·¤¤·¿¤ä´Ø¿ô¤òÄ󶡤·¤Æ¥×¥í¥¸¥§¥¯¥È¤Ë¹×¸¥¤·¤¿¤¤¤Î¤ - Ǥ¹¤¬¡© - - ³§¤µ¤ó¤Î¹Ô¤Ê¤Ã¤¿³ÈÄ¥¤ò¡¢pgsql-hackers - ¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤ËÁ÷¤Ã¤Æ¤¯¤À¤µ¤¤¡£¤½¤·¤Æ¡¢¤æ¤¯¤æ¤¯¤Ï¤½¤¦¤·¤¿³ÈÄ¥¤¬ - contrib/ ¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¤ËÆþ¤ë¤³¤È¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£ - - 5.3) ¥¿¥×¥ë¤òÊÖ¤¹ C¸À¸ì¤Î´Ø¿ô¤Ï¤É¤Î¤è¤¦¤Ë½ñ¤¤Þ¤¹¤«¡© - - ¥Ð¡¼¥¸¥ç¥ó7.3°Ê¹ß¤ÎPostgreSQL¤Ç¤Ï¡¢¥Æ¡¼¥Ö¥ë¤òÊÖ¤¹´Ø¿ô¤ò C, - PL/PgSQL¡¢¤½¤·¤Æ SQL - ¤Ë¤Æ´°Á´¤Ë¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¾Ü¤·¤¯¤Ï¥×¥í¥°¥é¥Þ¥¬¥¤¥É¤Î¾ðÊó¤ò¸«¤Æ¤¯¤À¤µ¤¤ - ¡£C¤ÇÄêµÁ¤µ¤ì¤¿É½¤òÊÖ¤¹´Ø¿ô¤ÎÎãÂ꤬contrib/tablefunc¤ÎÃæ¤Ë¤¢¤ê¤Þ¤¹¡£ - - 5.4) - ¥½¡¼¥¹¡¦¥Õ¥¡¥¤¥ë¤òÊѹ¹¤·¤Þ¤·¤¿¡£ºÆ¥³¥ó¥Ñ¥¤¥ë¤·¤Æ¤âÊѲ½¤¬¸«¤é¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤ - Ǥ¹¤«¡© - - ¤¤¤¯¤Ä¤«¤Î Makefile - ¤¬¥¤¥ó¥¯¥ë¡¼¥É¡¦¥Õ¥¡¥¤¥ë¤ËÂФ·¤ÆÅ¬Àڤʰ͸´Ø·¸¤ò»ý¤Ã¤Æ¤¤¤Þ¤»¤ó¡£make - clean ¤ò¤·¤Æ¤«¤é¤â¤¦°ìÅÙ make ¤ò¹Ô¤Ê¤ï¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤â¤·¡¢GCC - ¤ò¤ª»È¤¤¤Ç¤¢¤ì¤Ð configure ¤Î --enable-depend - ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¡¢¥³¥ó¥Ñ¥¤¥é¤Ë°Í¸´Ø·¸¤ò¼«Æ°Åª¤ËÄ´¤Ù¤µ¤»¤ë¤³¤È¤â¤Ç¤ - ¤Þ¤¹¡£ - _________________________________________________________________ - [ÌõÃí¡§ ÆüËܸìÈǤÎÀ½ºî¤Ë¤Ä¤¤¤Æ¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¹¡£ - ºÇ½ª¹¹¿·Æü: 2005ǯ01·î12Æü + ºÇ½ª¹¹¿·Æü: 2005ǯ05·î18Æü ËÝÌõ¼Ô: ·¬Â¼ ½á (Jun Kuwamura <juk at PostgreSQL.jp>) - ¤³¤ÎFAQ¤ÎÏÂÌõ¤ÎºîÀ®¤Ë¤¢¤¿¤ê¶¨ÎϤò¤·¤Æ¤¯¤À¤µ¤Ã¤¿Êý¡¹(·É¾Î¤Ïά¤µ¤»¤Æ¤¤¤¿¤À¤¤Þ¤¹): + ¤³¤ÎFAQ¤ÎÏÂÌõ¤ÎºîÀ®¤Ë¤¢¤¿¤ê¶¨ÎϤò¤·¤Æ¤¯¤À¤µ¤Ã¤¿Êý¡¹(·É¾Î¤Ïά¤µ¤»¤Æ¤¤¤¿¤À¤¤Þ¤¹): - ÅÄÃç Ì(Minoru TANAKA <Tanaka.Minoru at keiken.co.jp>) + ÅÄÃç Ì(Minoru TANAKA <Tanaka.Minoru at keiken.co.jp>) Àаæ ãÉ×(Tatsuo ISHII <t-ishii at sra.co.jp>) óîÆ£ ÃοÍ(Tomohito SAITOH <tomos at elelab.nsc.co.jp>) ÇϾì È¥(Hajime BABA <baba at kusastro.kyoto-u.ac.jp>) ²¬ËÜ °ì¹¬(Kazuyuki OKAMOTO <kokamoto at itg.hitachi.co.jp>) ¾®¿û ¾¼°ì(Shoichi Kosuge <s-kosuge at str.hitachi.co.jp>) »³²¼ µÁÇ·(Yoshiyuki YAMASHITA <dica at eurus.dti.ne.jp>) - ¶ ¿¿ÂÀϺ(Sintaro SAKAI <s_sakai at mxn.mesh.ne.jp>) + ¶ ¿¿ÂÀϺ(Sintaro SAKAI <s_sakai at mxn.mesh.ne.jp>) À¸±Û ¾»¸Ê(Masami OGOSHI <ogochan at zetabits.com>) ÀÐÀî ½Ó¹Ô(Toshiyuki ISHIKAWA <tosiyuki at gol.com>) - ËÜÅÄ Ìй(Shigehiro HONDA <fwif0083 at mb.infoweb.ne.jp>) + ËÜÅÄ Ìй(Shigehiro HONDA <fwif0083 at mb.infoweb.ne.jp>) ¤»¤» ¤¸¤å¤ó(Jun SESE <sesejun at linet.gr.jp>) ¿Àë ±Ñ¹§(Hidetaka KAMIYA <hkamiya at catvmics.ne.jp>) ¿û¸¶ ÆØ(Atsushi SUGAWARA <asugawar at f3.dion.ne.jp>) °ðÍÕ ¹áÍý(Kaori Inaba <i-kaori at sra.co.jp>) Àаæ ãÉ×(Tatsuo Ishii <t-ishii at sra.co.jp>) - ¤ò¤Ï¤¸¤á¡¢¥Ý¥¹¥È¥°¥ì¥¹¤Ë´Ø¤¹¤ëÏÃÂêËÉÙ¤ÊÆüËܸì¥Ý¥¹¥È¥°¥ì¥¹¡¦¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¡¢ -ÏÂÌõ¤Î¤¤Ã¤«¤±¤òºî¤Ã¤Æ¤¯¤ì¤¿ JF(Linux Japanese FAQ Mailing List)¥×¥í¥¸¥§¥¯¥È¡¢FreeBSD ¥É¥¥å¥á¥ó¥Æ¡¼¥·¥ç¥ó¥×¥í¥¸¥§¥¯¥È¡¢ -¤½¤Î¾¡¢Ä¾Àܤ¢¤ë¤¤¤Ï´ÖÀÜŪ¤Ë¤«¤«¤ï¤Ã¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥ª¡¼¥×¥ó¥½¡¼¥¹¥³¥ß¥å¥Ë¥Æ¥£¡¼¤Î³§¤µ¤ó¤Ë´¶¼Õ¤·¤Þ¤¹¡£ + ¤ò¤Ï¤¸¤á¡¢¥Ý¥¹¥È¥°¥ì¥¹¤Ë´Ø¤¹¤ëÏÃÂêËÉÙ¤ÊÆüËܸì¥Ý¥¹¥È¥°¥ì¥¹¡¦¥á¡¼¥ê¥ó¥°¥ê + ¥¹¥È¡¢ ÏÂÌõ¤Î¤¤Ã¤«¤±¤òºî¤Ã¤Æ¤¯¤ì¤¿ JF(Linux Japanese FAQ Mailing List)¥×¥í¥¸¥§ + ¥¯¥È¡¢FreeBSD ¥É¥¥å¥á¥ó¥Æ¡¼¥·¥ç¥ó¥×¥í¥¸¥§¥¯¥È¡¢ ¤½¤Î¾¡¢Ä¾Àܤ¢¤ë¤¤ + ¤Ï´ÖÀÜŪ¤Ë¤«¤«¤ï¤Ã¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥ª¡¼¥×¥ó¥½¡¼¥¹¥³¥ß¥å¥Ë¥Æ¥£¡¼¤Î³§¤µ¤ó¤Ë + ´¶¼Õ¤·¤Þ¤¹¡£ - ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï¡¢°Ê²¼¤«¤é¤â¤¿¤É¤ì¤Þ¤¹¡£ - http://www.rccm.co.jp/~juk/pgsql/(FAQÏÂÌõ PostgreSQL ¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä) + ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï ËÜ²È "Frequently Asked Questions" ¤Î¥Ú¡¼¥¸¤Ë "Japanese FAQ" ¤È¤¤¤¦¸«½Ð¤Ç¤¢¤ê¤Þ¤¹¡£ + ¤Þ¤¿¡¢ºÇ¿·ÈǤϰʲ¼¤Î¥µ¥¤¥È¤Ë¤¢¤ê¤Þ¤¹¡£ http://www.PostgreSQL.jp/wg/jpugdoc/JPUGʸ½ñ¡¦½ñÀÒ´ØÏ¢Ê¬²Ê²ñ http://www.linux.or.jp/JF/Linux JF¥×¥í¥¸¥§¥¯¥È + http://www.rccm.co.jp/~juk/pgsql/(FAQÏÂÌõ PostgreSQL ¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä) - ¤Ê¤ª¡¢¤³¤ÎÏÂÌõ¤Ë´Ø¤¹¤ë¤´°Õ¸«¤Ï(juk at PostgreSQL.jp)¤Þ¤Ç¤ª´ó¤»²¼¤µ¤¤¡£ + ¤Ê¤ª¡¢¤³¤ÎÏÂÌõ¤Ë´Ø¤¹¤ë¤´°Õ¸«¡¦¤´¼ÁÌä¤Ï(juk at PostgreSQL.jp)¤Þ¤Ç¤ª´ó¤»¤¯¤À¤µ¤¤¡£ ] + diff --git a/doc/src/FAQ/FAQ_japanese.html b/doc/src/FAQ/FAQ_japanese.html index 05812e8db53..dc2fc6acb48 100644 --- a/doc/src/FAQ/FAQ_japanese.html +++ b/doc/src/FAQ/FAQ_japanese.html @@ -2,194 +2,164 @@ <HTML> <HEAD> <TITLE>PostgreSQL FAQ in Japanese</TITLE> -<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=x-euc-jp"> </HEAD> <BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#FF0000" VLINK="#A00000" ALINK="#0000FF"> -<H1> -PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä¤È¤½¤Î²òÅú(FAQ)</H1> -<P> -¸¶Ê¸ºÇ½ª¹¹¿·Æü: Sun Jan 9 14:44:04 EST 2005</P> -<P> -¸½ºß¤Î°Ý»ý´ÉÍý¼Ô: Bruce Momjian (<A -HREF="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR> +<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=x-euc-jp"> + +<div id="pgContentWrap"> + +<h1>PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä¤È¤½¤Î²òÅú(FAQ)</h1> +<p>¸¶Ê¸ºÇ½ª¹¹¿·Æü: Mon May 9 13:15:04 EDT 2005</p> +<p>¸½ºß¤Î°Ý»ý´ÉÍý¼Ô: Bruce Momjian (<A +href="mailto:pgman at candle.pha.pa.us">pgman at candle.pha.pa.us</a>)<br /> Maintainer of Japanese Translation: Jun Kuwamura (<A -HREF="mailto:juk at PostgreSQL.jp">juk at PostgreSQL.jp</A>)<BR></P> -<P> -¤³¤Îʸ½ñ¤ÎºÇ¿·ÈÇ¤Ï - <a href="http://www.postgresql.org/files/documentation/faqs/FAQ.html"> - http://www.postgresql.org/files/documentation/faqs/FAQ.html</A></P> -¤Ç¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ -<P> -¥×¥é¥Ã¥È¥Û¡¼¥à¤ËÆÃͤμÁÌä¤Ë¤Ä¤¤¤Æ¤Ï: - <a href="http://www.postgresql.org/docs/faq/"> - http://www.postgresql.org/docs/faq/</A></P> -<BR>¤Ë²óÅú¤¬¤¢¤ê¤Þ¤¹¡£ - -<PRE> +href="mailto:juk at PostgreSQL.jp">juk at PostgreSQL.jp</a>)<br /></p> +<p>¤³¤Îʸ½ñ¤ÎºÇ¿·ÈǤÏ<a href= + "http://www.postgresql.org/docs/faqs.FAQ.html"> + http://www.postgresql.org/docs/faqs.FAQ.html</a> +¤Ç¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£</p> +<p>¥×¥é¥Ã¥È¥Û¡¼¥à¤ËÆÃͤμÁÌä¤Ë¤Ä¤¤¤Æ¤Ï:<a href= + "http://www.postgresql.org/docs/faq/"> + http://www.postgresql.org/docs/faq/</a> +<br /> +¤Ë²óÅú¤¬¤¢¤ê¤Þ¤¹¡£</p> + +<p> +<small><pre> (°Ê²¼¡¢Ìõ¼Ô¤Ë¤è¤ëÃí¼á¤ò [ÌõÃí¡§ ¤È ] ¤È¤Ç°Ï¤ó¤Çµ¤·¤Þ¤¹¡£) [ÌõÃí¡§ - ÆüËܸìÈÇÀ½ºî¤Ë¤Ä¤¤¤Æ¤Î¥á¥â¤ÏºÇ¸åÈø¤Ø°Üư¤·¤Þ¤·¤¿¡£ - - ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï <a HREF="http://www.PostgreSQL.org/docs/index.html">ËÜ²È "Docs" </a> ¤Î "Frequently Asked Questions" ¤Î - ¤È¤³¤í¤Ë "Japanese FAQ" ¤È¤¤¤¦¸«½Ð¤Ç¤¢¤ê¤Þ¤¹¡£¤Þ¤¿¡¢°Ê²¼¤Î¥µ¥¤¥È¤Ë¤â - ¤¢¤ê¤Þ¤¹¡£ - <A HREF="http://www.PostgreSQL.jp/wg/jpugdoc/">http://www.PostgreSQL.jp/wg/jpugdoc/</A> - <A HREF="http://www.rccm.co.jp/~juk/pgsql/">http://www.rccm.co.jp/~juk/pgsql/</A> - <A HREF="http://www.linux.or.jp/JF/">http://www.linux.or.jp/JF/</A> - - ¤³¤ÎÏÂÌõ¤Ë¤Ä¤¤¤Æ¤ªµ¤¤Å¤¤ÎÅÀ¤Ï(<A HREF="mailto:juk at PostgreSQL.jp">juk at PostgreSQL.jp</A>)¤Þ¤Ç¥á¡¼¥ë¤Ç¤ª´ó¤»²¼¤µ¤¤¡£ + ÆüËܸìÈǤÎÀ½ºî¤Ë¤Ä¤¤¤Æ¤Ï¡¢¤³¤Îʸ½ñ¤ÎºÇ¸å¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£ - 2005ǯ01·î12Æü ·¬Â¼ ½á + 2005ǯ05·î18Æü ·¬Â¼ ½á ] -</PRE> - -<HR> - -<H2 align="center">°ìÈÌŪ¤Ê¼ÁÌä</H2> - -<A HREF="#1.1">1.1</A>) PostgreSQL¤È¤Ï²¿¤Ç¤¹¤«¡© ²¿¤ÈÆÉ¤ß¤Þ¤¹¤«¡©<BR> -<A HREF="#1.2">1.2</A>) PostgreSQL¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡©<BR> -<A HREF="#1.3">1.3</A>) PostgreSQL¤Îưºî¤¹¤ëUnix¥×¥é¥Ã¥È¥Û¡¼¥à¤Ï¡©<BR> -<A HREF="#1.4">1.4</A>) Unix°Ê³°¤Î°Ü¿¢ÈǤǻȤ¨¤ë¤â¤Î¤Ï¡©<BR> -<A HREF="#1.5">1.5</A>) PostgreSQL¤Ï¤É¤³¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¤«¡©<BR> -<A HREF="#1.6">1.6</A>) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡©<BR> -<A HREF="#1.7">1.7</A>) ºÇ¿·ÈǤϤɤì¤Ç¤¹¤«<BR> -<A HREF="#1.8">1.8</A>) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡©<BR> -<A HREF="#1.9">1.9</A>) ´ûÃΤΥХ°¤ä̤¤À̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡©<BR> -<A HREF="#1.10">1.10</A>) <SMALL>SQL</SMALL>¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡©<BR> -<A HREF="#1.11">1.11</A>) PostgreSQL¤ÏÀ¾Îñ2000ǯÌäÂê(Y2K)¤ËÂбþ¤·¤Æ¤¤¤Þ¤¹¤«¡©<BR> -<A HREF="#1.12">1.12</A>) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#1.13">1.13</A>) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#1.14">1.14</A>) ¾¤Î<SMALL>DBMS</SMALL>¤ÈÈæ¤Ù¤ÆPostgreSQL¤Ï¤É¤¦¤Ê¤Î¤Ç¤¹¤«¡©<BR> -<A HREF="#1.15">1.15</A>) PostgreSQL¤ò»ñ¶âÌ̤DZç½õ¤¹¤ë¤Ë¤Ï¤É¤¦¤¹¤ì¤Ð¤è¤¤¤Ç¤¹¤«¡©<BR> - - -<H2 align="center">¥æ¡¼¥¶¡¼¡¦¥¯¥é¥¤¥¢¥ó¥È¤Î¼ÁÌä</H2> - -<A HREF="#2.1">2.1</A>) PostgreSQL ¤Î <SMALL>ODBC</SMALL> ¥É¥é¥¤¥Ð¡¼¤Ï¤¢¤ê¤Þ¤¹¤«¡©<BR> -<A HREF="#2.2">2.2</A>) PostgreSQL ¤ò Web ¥Ú¡¼¥¸¤ÈÏ¢·È¤µ¤»¤ë¤Ë¤Ï¤É¤ó¤Ê¥Ä¡¼¥ë¤¬¤¢¤ê¤Þ¤¹¤«¡©<BR> -<A HREF="#2.3">2.3</A>) PostgreSQL ¤Ë¥°¥é¥Õ¥£¥«¥ë¡¦¥æ¡¼¥¶¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï¤¢¤ê¤Þ¤¹¤«¡©<BR> -<A HREF="#2.4">2.4</A>) ¤É¤Î¤è¤¦¤Ê¸À¸ì¤Ç PostgreSQL ¤ÈÄÌ¿®¤Ç¤¤¹¤«¡©<BR> - - -<H2 align="center">´ÉÍý¾å¤Î¼ÁÌä</H2> - -<A HREF="#3.1">3.1</A>) ¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð <I>/usr/local/pgsql</I> °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤¤Þ¤¹¤«¡©<BR> -<A HREF="#3.2">3.2</A>) postmaster ¤òÁö¤é¤»¤ë¤È¡¢ -<I>Bad System Call</I> ¤È¤«¥³¥¢¡¦¥À¥ó¥×¤·¤¿¤È¤Î¥á¥Ã¥»¡¼¥¸¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#3.3">3.3</A>) <I>postmaster</I> ¤òÁö¤é¤»¤è¤¦¤È¤¹¤ë¤È¡¢ -<I>IpcMemoryCreate</I> ¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#3.4">3.4</A>) <I>postmaster¤ò</I>Áö¤é¤»¤è¤¦¤È¤¹¤ë¤È¡¢ -<I>IpcSemaphoreCreate</I> ¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#3.5">3.5</A>) ¾¤Î¥Û¥¹¥È¤«¤é¤ÎÀܳ¤Ï¤É¤Î¤è¤¦¤ËÀ©¸æ¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#3.6">3.6</A>) ¤è¤êÎɤ¤Àǽ¤òÆÀ¤ë¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥¨¥ó¥¸¥ó¤ò¤É¤Î¤è¤¦¤ËÄ´À°¤¹¤ì¤ÐÎɤ¤¤Ç¤¹¤«¡©<BR> -<A HREF="#3.7">3.7</A>) ¤É¤Î¤è¤¦¤Ê¥Ç¥Ð¥°µ¡Ç½¤¬»È¤¨¤Þ¤¹¤«¡©<BR> -<A HREF="#3.8">3.8</A>) Àܳ¤·¤è¤¦¤È¤¹¤ë¤È¤¤Ë <I>'Sorry, too many clients'</I> ¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#3.9">3.9</A>) <I>pgsql_tmp</I> ¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¤Ë¤Ï²¿¤¬¤¢¤ê¤Þ¤¹¤«¡©<BR> -<A href="#3.10">3.10</A>) PostgreSQL¤Î¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¥¢¥Ã¥×¥Ç¡¼¥È¤¹¤ë¤Î¤Ë¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ò¤·¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<br> -<A href="#3.11">3.11</A>) ¥Ï¡¼¥É¥¦¥§¥¢¤Ë¤Ï¤É¤ó¤Ê¥³¥ó¥Ô¥å¡¼¥¿¤ò»È¤¨¤Ð¤è¤¤¤Ç¤¹¤«¡©<BR> - - - -<H2 align="center">Áàºî¾å¤Î¼ÁÌä</H2> - -<A HREF="#4.1">4.1</A>) ¥Ð¥¤¥Ê¥ê¡¦¥«¡¼¥½¥ë¤ÈÄ̾參¡¼¥½¥ë¤È¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡©<BR> -<A HREF="#4.2">4.2</A>) ºÇ½é¤Î¿ô¥í¥¦¤Î¤ß¤ò <SMALL>select</SMALL> ¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© ¥é¥ó¥À¥à¤Ê¥í¥¦¡© <BR> -<A HREF="#4.3">4.3</A>) ¥Æ¡¼¥Ö¥ë¤ä¤½¤Î¾¤Î¾ðÊó¤Î¥ê¥¹¥È¤ò <I>psql</I> ¤Ç¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#4.4">4.4</A>) ¥Æ¡¼¥Ö¥ë¤«¤é¥«¥é¥à¤Îºï½ü¡¢¤¢¤ë¤¤¤Ï¡¢¥Ç¡¼¥¿·¿¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#4.5">4.5</A>) ¥í¥¦¡¢¥Æ¡¼¥Ö¥ë¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º¤Ï¡©<BR> -<A HREF="#4.6">4.6</A>) °ìÈÌŪ¤Ê¥Æ¥¥¹¥È¥Õ¥¡¥¤¥ë¤«¤é¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¥£¥¹¥¯ÍÆÎ̤ϤɤΤ¯¤é¤¤É¬ÍפǤ¹¤«¡©<BR> -<A HREF="#4.7">4.7</A>) ÄêµÁ¤µ¤ì¤¿¥Æ¡¼¥Ö¥ë¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¢¤ª¤è¤Ó¡¢¥æ¡¼¥¶¤ò¤É¤Î¤è¤¦¤Ë¤·¤Æ¸«¤Ä¤±½Ð¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#4.8">4.8</A>) Ì䤤¹ç¤ï¤»¤¬ÃÙ¤¤¤¦¤¨¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¤¤¤ëÍͻҤ¬¤¢¤ê¤Þ¤»¤ó¡£¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#4.9">4.9</A>) Ì䤤¹ç¤ï¤»¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¤É¤Î¤è¤¦¤ËÌ䤤¹ç¤ï¤»¤òɾ²Á¤¹¤ë¤«¤ò¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#4.10">4.10</A>) R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤È¤Ï²¿¤Ç¤¹¤«¡©<BR> -<A HREF="#4.11">4.11</A>) °äÅÁŪÌ䤤¹ç¤ï¤»ºÇŬ²½¤È¤Ï²¿¤Ç¤¹¤«¡©<BR> -<A HREF="#4.12">4.12</A>) Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É¤Î¤è¤¦¤Ë»È¤¤¤Þ¤¹¤«¡©<BR> -<A HREF="#4.13">4.13</A>) Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬ <SMALL>NULL</SMALL> ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#4.14">4.14</A>) ¿§¡¹¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡©<BR> -<A HREF="#4.15.1">4.15.1</A>) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡©<BR> -<A HREF="#4.15.2">4.15.2</A>) <SMALL>SERIAL</SMALL>¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡©<BR> -<A HREF="#4.15.3">4.15.3</A>) <I>currval()</I> ¤Ï¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂ֤˴٤뤳¤È¤Ï¤Ê¤¤¤Ç¤¹¤«¡©<BR> -<A HREF="#4.15.4">4.15.4</A>) ¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤ·¤¿¤È¤¤Ë¤â¤¦¤¤¤Á¤É¥·¡¼¥±¥ó¥¹Èֹ椬»È¤ï¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©¥·¡¼¥±¥ó¥¹¡¿SERIAL¥«¥é¥à¤Ë¶õ¤¤¬¤¢¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#4.15">4.16</A>) <SMALL>OID</SMALL> ¤È¤Ï²¿¤Ç¤¹¤«¡© <SMALL>TID</SMALL> ¤È¤Ï²¿¤Ç¤¹¤«¡©<BR> -<A HREF="#4.17">4.17</A>) PostgreSQL ¤Ç»È¤ï¤ì¤ë¤¤¤¯¤Ä¤«¤ÎÍѸì¤Î°ÕÌ£¤Ï²¿¤Ç¤¹¤«¡©<BR> -<A HREF="#4.18">4.18</A>) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ <I>"ERROR: Memory exhausted in AllocSetAlloc()"</I>¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#4.19">4.19</A>) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òÁö¤é¤»¤Æ¤¤¤ë¤Î¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<BR> -<A HREF="#4.20">4.20</A>) ¥é¡¼¥¸¥ª¥Ö¥¸¥§¥¯¥È¤ÎÁàºî¤Ç¡¢<I>invalid large obj descriptor</I>¤È½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#4.21">4.21</A>) ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤Ê¥«¥é¥à¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡©<BR> -<A HREF="#4.22">4.22</A>) ¤Ê¤¼¡¢<SMALL>IN</SMALL>¤ò»È¤¦ÉûÌ䤤¹ç¤ï¤»¤¬¤È¤Æ¤âÃÙ¤¤¤Î¤Ç¤¹¤«¡©<BR> -<A HREF="#4.23">4.23</A>) <i>³°Éô</i>·ë¹ç(<i>outer</i> join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«?<BR> -<A HREF="#4.24">4.24</A>) Ê£¿ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò»È¤¦Ì䤤¹ç¤ï¤»¤Ï¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤Ç¤¤Þ¤¹¤«¡©<br> -<A HREF="#4.25">4.25</A>) ´Ø¿ô¤ÇÊ£¿ô¤Î¥í¥¦¤Þ¤¿¤Ï¥«¥é¥à¤òÊÖ¤¹¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<br> -<A HREF="#4.26">4.26</A>) ¤Ê¤¼¡¢PL/PgSQL ´Ø¿ô¤ÎÃæ¤«¤é°ì»þ¥Æ¡¼¥Ö¥ë¤ò³Î¼Â¤Ë create/drop ¤¹¤ë¤³¤È¤¬¤Ç¤¤Ê¤¤¤Î¤Ç¤·¤ç¤¦¤«¡©<br> -<A href="#4.27">4.27</A>) ¤É¤Î¤è¤¦¤Ê°Å¹æ²½¥ª¥×¥·¥ç¥ó¤òÍøÍѤǤ¤Þ¤¹¤«?<BR> - -<H2 align="center">PostgreSQL¤Î³ÈÄ¥¤Ë¤Ä¤¤¤Æ¤Î¼ÁÌä</H2> - -<A HREF="#5.1">5.1</A>) ¼«Ê¬¤Ç½ñ¤¤¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò psql ¤ÎÃæ¤Ç¼Â¹Ô¤¹¤ë¤È¥³¥¢¡¦¥À¥ó¥×¤·¤Æ¤·¤Þ¤¦¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<A HREF="#5.2">5.2</A>) PostgreSQL ÍѤ˽ñ¤¤¤¿¤Á¤ç¤Ã¤ÈÁÇŨ¤Ê¿·¤·¤¤·¿¤ä´Ø¿ô¤òÄ󶡤·¤Æ¥×¥í¥¸¥§¥¯¥È¤Ë¹×¸¥¤·¤¿¤¤¤Î¤Ç¤¹¤¬¡©<BR> -<A HREF="#5.3">5.3</A>) ¥¿¥×¥ë¤òÊÖ¤¹ C¸À¸ì¤Î´Ø¿ô¤Ï¤É¤Î¤è¤¦¤Ë½ñ¤¤Þ¤¹¤«¡©<BR> -<A HREF="#5.4">5.4</A>) ¥½¡¼¥¹¡¦¥Õ¥¡¥¤¥ë¤òÊѹ¹¤·¤Þ¤·¤¿¡£ºÆ¥³¥ó¥Ñ¥¤¥ë¤·¤Æ¤âÊѲ½¤¬¸«¤é¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<BR> -<HR> -<H2 align="center">°ìÈÌŪ¤Ê¼ÁÌä</H2> - -<H4><A NAME="1.1">1.1</A>) PostgreSQL ¤È¤Ï²¿¤Ç¤¹¤«¡© ²¿¤ÈÆÉ¤ß¤Þ¤¹¤«¡©</H4> - -<P>PostgreSQL¤Ï<I>Post-Gres-Q-L</I>(¥Ý¥¹¥È - ¥°¥ì¥¹ - ¥¥å¡¼ - ¥¨¥ë) ¤Èȯ²»¤·¤Þ¤¹¡£</P> -<P>PostgreSQL ¤Ï¼¡À¤Âå <SMALL>DBMS</SMALL> ¸¦µæÍѤΥץí¥È¥¿¥¤¥×¤Ç¤¢¤Ã¤¿ POSTGRES ¥Ç¡¼¥¿¥Ù¡¼¥¹´ÉÍý¥·¥¹¥Æ¥à¤Î²þÎÉÈǤǤ¹¡Ê¤³¤Î¤¿¤á¡¢º£¤Ç¤â¤È¤¤É¤ "Postgres" ¤È¸Æ¤Ð¤ì¤ë¤³¤È¤¬¤¢¤ê¤Þ¤¹¡Ë¡£PostgreSQL ¤Ï POSTGRES ¤Î¶¯ÎϤʥǡ¼¥¿¡¦¥â¥Ç¥ë¤ÈËÉ٤ʥǡ¼¥¿¡¦¥¿¥¤¥×(·¿)¤òÊÝ»ý¤·¤Ê¤¬¤é¡¢POSTGRES ¤Ç»È¤ï¤ì¤¿ PostQuel Ì䤤¹ç¤ï¤»¸À¸ì¤ò¡¢³ÈÄ¥¤·¤¿ <SMALL>SQL</SMALL> ¤Î¥µ¥Ö¥»¥Ã¥È¤ËÃÖ¤´¹¤¨¤Æ¤¤¤Þ¤¹¡£PostgreSQL ¤Ï̵ÎÁ¤Ç´°Á´¤Ê¥½¡¼¥¹¤òÍøÍѤǤ¤Þ¤¹¡£ -</P> - -<P>PostgreSQL ¤Î³«È¯¤Ï¡¢PostgreSQL ³«È¯¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ë»²²Ã¤·¤Æ¤¤¤ë³«È¯¼Ôã¤Î¥Á¡¼¥à¤Ç¤¹¤Ù¤Æ¹Ô¤Ê¤ï¤ì¤Æ¤¤¤Þ¤¹¡£¸½ºß¤ÎºÂĹ¤Ï Marc G. Fournier (<A HREF="mailto:scrappy@PostgreSQL.org">scrappy@PostgreSQL.org</A> )¤Ç¤¹¡£(²¼µ¤Î<a href="#1.6">1.6Àá</a>¤Ë»²²Ã¤Î»ÅÊý¤¬¤¢¤ê¤Þ¤¹¡£)¸½ºß¡¢¤³¤Î¥Á¡¼¥à¤¬ PostgreSQL ³«È¯¤Î¤¹¤Ù¤Æ¤ÎÌÌÅݤò¤ß¤Æ¤¤¤Þ¤¹¡£¤³¤Î¥Á¡¼¥à¤Ï¥³¥ß¥å¥Ë¥Æ¥£¥×¥í¥¸¥§¥¯¥È¤Ç¤¢¤ê¡¢¤¤¤«¤Ê¤ë´ë¶È¤Ë¤è¤Ã¤Æ¤âÀ©¸æ¤ò¼õ¤±¤Þ¤»¤ó¡£»²²Ã¤·¤¿¤±¤ì¤Ð¡¢<A href= - "http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html"> - http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html</A> -¤Ë¤¢¤ë³«È¯¼Ô¸þ¤±¤ÎFAQ¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£ -</P> +</pre></small> +</p> -<P>Postgres95-1.01 ¤ÎÃæ¿´Åª¤Ê³«È¯¼Ô¤Ï Andrew Yu ¤È Jolly Chen ¤Ç¤·¤¿¤¬¡¢¤½¤Î¾ÂçÀª¤Î¿Í¡¹¤¬¤³¤Î¥³¡¼¥É¤Î°Ü¿¢¡¢¥Æ¥¹¥È¡¢¥Ç¥Ð¥°¡¢¤ª¤è¤Ó¡¢²þÎɤ˻²²Ã¤·¤Þ¤·¤¿¡£PostgreSQL ¤ÎÇÉÀ¸¸µ¥³¡¼¥É¤Ç¤¢¤ë Postgres ¤Ï¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¥Ð¡¼¥¯¥ì¥¤¹»¤Ë¤ª¤¤¤Æ¡¢ Michael Stonebraker ¶µ¼ø¤Î»Ø´ø¤Î¤â¤È¡¢Â¿¤¯¤Î³ØÀ¸¡¢Â´¶ÈÀ¸¡¢ËÜ¿¦¤Î¥×¥í¥°¥é¥Þ¤¿¤Á¤ÎÅØÎϤˤè¤êºî¤é¤ì¤Þ¤·¤¿¡£ -</P> +<hr /> + +<h2 align="center">°ìÈÌŪ¤Ê¼ÁÌä</h2> + +<a href="#1.1">1.1</a>) PostgreSQL¤È¤Ï²¿¤Ç¤¹¤«¡© ²¿¤ÈÆÉ¤ß¤Þ¤¹¤«¡©<br /> +<a href="#1.2">1.2</a>) PostgreSQL¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡©<br /> +<a href="#1.3">1.3</a>) PostgreSQL¤ò¥µ¥Ý¡¼¥È¤¹¤ë¥×¥é¥Ã¥È¥Û¡¼¥à¤Ï¡©<br /> +<a href="#1.4">1.4</a>) PostgreSQL¤Ï¤É¤³¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¤«¡©<br /> +<a href="#1.5">1.5</a>) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡©<br /> +<a href="#1.6">1.6</a>) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡©<br /> +<a href="#1.7">1.7</a>) ºÇ¿·ÈǤϤɤì¤Ç¤¹¤«<br /> +<a href="#1.8">1.8</a>) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡©<br /> +<a href="#1.9">1.9</a>) ´ûÃΤΥХ°¤ä̤¤À̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡©<br /> +<a href="#1.10">1.10</a>) <small>SQL</small>¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡©<br /> +<a href="#1.11">1.11</a>) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡©<br /> +<a href="#1.12">1.12</a>) ¾¤Î<small>DBMS</small>¤ÈÈæ¤Ù¤ÆPostgreSQL¤Ï¤É¤¦¤Ê¤Î¤Ç¤¹¤«¡©<br /> +<a href="#1.13">1.13</a>) 郎 PostgreSQL ¤ò¥³¥ó¥È¥í¡¼¥ë¤·¤Þ¤¹¤«¡©<br /> + + +<h2 align="center">¥æ¡¼¥¶¡¼¡¦¥¯¥é¥¤¥¢¥ó¥È¤Î¼ÁÌä</h2> + +<a href="#2.1">2.1</a>) PostgreSQL ¤Ë¤Ï¤É¤ó¤Ê¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤¬»È¤¨¤Þ¤¹¤«¡©<br /> +<a href="#2.2">2.2</a>) PostgreSQL ¤ò Web ¥Ú¡¼¥¸¤ÈÏ¢·È¤µ¤»¤ë¤Ë¤Ï¤É¤ó¤Ê¥Ä¡¼¥ë¤¬¤¢¤ê¤Þ¤¹¤«¡©<br /> +<a href="#2.3">2.3</a>) PostgreSQL ¤Ë¥°¥é¥Õ¥£¥«¥ë¡¦¥æ¡¼¥¶¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï¤¢¤ê¤Þ¤¹¤«¡©<br /> + + +<h2 align="center">´ÉÍý¾å¤Î¼ÁÌä</h2> + +<a href="#3.1">3.1</a>) ¤É¤¦¤¹¤ì¤Ð¡¢PostgreSQL¤ò<i>/usr/local/pgsql</i> °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤¤Þ¤¹¤«¡©<br /> +<a href="#3.2">3.2</a>) ¾¤Î¥Û¥¹¥È¤«¤é¤ÎÀܳ¤Ï¤É¤Î¤è¤¦¤ËÀ©¸æ¤·¤Þ¤¹¤«¡©<br /> +<a href="#3.3">3.3</a>) ¤è¤êÎɤ¤Àǽ¤òÆÀ¤ë¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥¨¥ó¥¸¥ó¤ò¤É¤Î¤è¤¦¤ËÄ´À°¤·¤Þ¤¹¤«¡©<br /> +<a href="#3.4">3.4</a>) ¤É¤Î¤è¤¦¤Ê¥Ç¥Ð¥°µ¡Ç½¤¬»È¤¨¤Þ¤¹¤«¡©<br /> +<a href="#3.5">3.5</a>) Àܳ¤·¤è¤¦¤È¤¹¤ë¤È¤¤Ë <i>'Sorry, too many clients'</i> ¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<br /> +<a href="#3.6">3.6</a>) PostgreSQL¤Î¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¥¢¥Ã¥×¥Ç¡¼¥È¤¹¤ë¤Î¤Ë¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ò¤·¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<br /> +<a href="#3.7">3.7</a>) ¥Ï¡¼¥É¥¦¥§¥¢¤Ë¤Ï¤É¤ó¤Ê¥³¥ó¥Ô¥å¡¼¥¿¤ò»È¤¨¤Ð¤è¤¤¤Ç¤¹¤«¡©<br /> + + +<h2 align="center">Áàºî¾å¤Î¼ÁÌä</h2> + +<a href="#4.1">4.1</a>) ºÇ½é¤Î¤¤¤¯¤Ä¤«¤Î¥í¥¦¤Î¤ß¤ò <small>select</small> ¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© ¥é¥ó¥À¥à¤Ê¥í¥¦¡© <br /> +<a href="#4.7">4.2</a>) ÄêµÁ¤µ¤ì¤¿¥Æ¡¼¥Ö¥ë¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¢¤ª¤è¤Ó¡¢¥æ¡¼¥¶¤ò¤É¤Î¤è¤¦¤Ë¤·¤Æ¸«¤Ä¤±½Ð¤·¤Þ¤¹¤«¡©<br /> +<a href="#4.3">4.3</a>) ¥«¥é¥à¤Î¥Ç¡¼¥¿¥¿¥¤¥×¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<br /> +<a href="#4.4">4.4</a>) ¥í¥¦¡¢¥Æ¡¼¥Ö¥ë¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º¤Ï¡©<br /> +<a href="#4.5">4.5</a>) °ìÈÌŪ¤Ê¥Æ¥¥¹¥È¥Õ¥¡¥¤¥ë¤Î¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¥£¥¹¥¯ÍÆÎ̤ϤɤΤ¯¤é¤¤É¬ÍפǤ¹¤«¡©<br /> +<a href="#4.6">4.6</a>) ¥¯¥¨¥ê¤¬ÃÙ¤¤¤Î¤Ï¤Ê¤¼¤Ç¤·¤ç¤¦¡© ¤Ê¤¼¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤ï¤ì¤Ê¤¤¤Î¤Ç¤·¤ç¤¦¤«¡©<br /> +<a href="#4.7">4.7</a>) ¥¯¥¨¥ê¥ª¥×¥Æ¥£¥Þ¥¤¥¶¤¬¡¢¤É¤Î¤è¤¦¤Ë¥¯¥¨¥ê¤òɾ²Á¤·¤Æ¤¤¤«¤ò¡¢¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<br /> +<a href="#4.8">4.8</a>) Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É¤Î¤è¤¦¤Ë»È¤¤¤Þ¤¹¤«¡©<br /> +<a href="#4.9">4.9</a>) ¥¯¥¨¥ê¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬<small>NULL</small> ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© ¥Õ¥£¡¼¥ë¥É¤¬<small>NULL</small>¤«¤É¤¦¤«¤Ç¤É¤Î¤è¤¦¤Ë¥½¡¼¥È¤¬¤Ç¤¤Þ¤¹¤«¡©<br /> +<a href="#4.10">4.10</a>) ¤¤¤í¤¤¤í¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡©<br /> +<a href="#4.11.1">4.11.1</a>) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡©<br /> +<a href="#4.11.2">4.11.2</a>) <small>SERIAL</small>¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡©<br /> +<a href="#4.11.3">4.11.3</a>) <i>currval()</i> ¤Ï¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂ֤˴٤뤳¤È¤Ï¤Ê¤¤¤Ç¤¹¤«¡©<br /> +<a href="#4.11.4">4.11.4</a>) ¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤ·¤¿¤È¤¤Ë¤â¤¦¤¤¤Á¤É¥·¡¼¥±¥ó¥¹Èֹ椬»È¤ï¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©¥·¡¼¥±¥ó¥¹¡¿SERIAL¥«¥é¥à¤Ë¶õ¤¤¬¤¢¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<br /> +<a href="#4.12">4.12</a>) <small>OID</small> ¤È¤Ï²¿¤Ç¤¹¤«¡© <small>TID</small> ¤È¤Ï²¿¤Ç¤¹¤«¡©<br /> +<a href="#4.13">4.13</a>) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ <i>"ERROR: Memory exhausted in AllocSetAlloc()"</i>¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©<br /> +<a href="#4.14">4.14</a>) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òÁö¤é¤»¤Æ¤¤¤ë¤Î¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<br /> +<a href="#4.15">4.15</a>) ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤Ê¥«¥é¥à¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡©<br /> +<a href="#4.16">4.16</a>) <i>³°Éô</i>·ë¹ç(<i>outer</i> join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«?<br /> +<a href="#4.17">4.17</a>) Ê£¿ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò»È¤¦Ì䤤¹ç¤ï¤»¤Ï¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤Ç¤¤Þ¤¹¤«¡©<br /> +<a href="#4.18">4.18</a>) ´Ø¿ô¤«¤éÊ£¿ô¤Î¥í¥¦¤Þ¤¿¤Ï¥«¥é¥à¤òÊÖ¤¹¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<br /> +<a href="#4.19">4.19</a>) PL/PgSQL ¤Î´Ø¿ô¤ÎÃæ¤Ç°ì»þ¥Æ¡¼¥Ö¥ë¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È¤¡¢¤É¤¦¤·¤Æ "relation with OID ##### does not exist" ¤È¤¤¤¦¥¨¥é¡¼¤ò¼õ¤±¼è¤ë¤Î¤Ç¤·¤ç¤¦¤«¡©<br /> +<a href="#4.20">4.20</a>) ¤É¤Î¤è¤¦¤Ê¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥½¥ê¥å¡¼¥·¥ç¥ó¤¬¤¢¤ê¤Þ¤¹¤«¡©<br /> + + +<hr /> + +<h2 align="center">°ìÈÌŪ¤Ê¼ÁÌä</h2> + +<h4><a name="1.1">1.1</a>) PostgreSQL ¤È¤Ï²¿¤Ç¤¹¤«¡© ²¿¤Èȯ²»¤·¤Þ¤¹¤«¡©</h4> + + <p>PostgreSQL¤Ï<i>Post-Gres-Q-L</i>(¥Ý¥¹¥È - ¥°¥ì¥¹ - ¥¥å¡¼ - ¥¨¥ë) + ¤Èȯ²»¤·¤Þ¤¹¡£</p>¤Þ¤¿¡¢Ã±½ã¤Ë Postgres ¤È¤â¸Æ¤Ð¤ì¤Þ¤¹¡£ + + <p>PostgreSQL ¤Ï¥ª¥Ö¥¸¥§¥¯¥È-¥ê¥ì¡¼¥·¥ç¥Ê¥ë¥Ç¡¼¥¿¥Ù¡¼¥¹¥·¥¹¥Æ¥à¤Ç¡¢ + ÅÁÅýŪ¤Ê¾¦Íѥǡ¼¥¿¥Ù¡¼¥¹¥·¥¹¥Æ¥à¤Ë¡¢¼¡À¤Âå<small>DBMS</small>¥·¥¹¥Æ + ¥à¤Ë¸«¤é¤ì¤ë¤è¤¦¤Ê²þÎɤ¬»Ü¤µ¤ì¤¿ÆÃħ¤òͤ·¤Þ¤¹¡£PostgreSQL¤Ï¡¢ÌµÎÁ¤Ç + ´°Á´¤Ê¥½¡¼¥¹¥³¡¼¥É¤ò¼ê¤ËÆþ¤ì¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£</p> + + <p>PostgreSQL ¤Î³«È¯¤Ï¡¢¤Û¤È¤ó¤É¤¬¡¢À¤³¦Ãæ¤Ë¤Ò¤í¤¬¤Ã¤¿¥Ü¥é¥ó¥Æ¥£¥¢¤Î + ³«È¯¼Ô¤Ë¤è¤Ã¤Æ¡¢¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤òÄ̤·¤¿¥³¥ß¥å¥Ë¥±¡¼¥·¥ç¥ó¤Ë¤è¤Ã¤Æ¹Ô¤ï + ¤ì¤Æ¤¤¤Þ¤¹¡£¥³¥ß¥å¥Ë¥Æ¥£¤Ë¤è¤ë¥×¥í¥¸¥§¥¯¥È¤Ç¤¢¤ë¤¿¤á¡¢¤É¤Î´ë¶È¤ÎÀ©¸æ + ¤â¤¦¤±¤Þ¤»¤ó¡£³«È¯¤Ë»²²Ã¤·¤¿¤±¤ì¤Ð¡¢<a href= + "http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html"> + http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html</a> + ¤Ë¤¢¤ë³«È¯¼Ô¤ÎFAQ¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£ + </p> -<P>¥Ð¡¼¥¯¥ì¥¤¤Ë¤ª¤±¤ë¤³¤Î¥½¥Õ¥È¥¦¥§¥¢¤Î¤â¤È¤Î̾Á°¤Ï Postgres ¤Ç¤·¤¿¤¬¡¢<SMALL>SQL</SMALL> ¤Îµ¡Ç½¤¬Äɲ䵤줿 1995 ǯ¤Ë¤½¤Î̾Á°¤Ï Postgres95 ¤ËÊѹ¹¤µ¤ì¡¢1996 ǯ¤Î½ª¤ê¤Ë¤½¤Î̾Á°¤Ï PostgreSQL ¤ËÊѹ¹¤µ¤ì¤Þ¤·¤¿¡£ -</P> +<h4><a name="1.2">1.2</a>) PostgreSQL ¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡©</h4> -<H4><A NAME="1.2">1.2</A>) PostgreSQL ¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡©</H4> + <p> PostgreSQL ¤Ï²¼µ¤ÎÃøºî¸¢¤Ë½¾¤¤¤Þ¤¹¡£</p> -<P> PostgreSQL ¤Ï²¼µ¤ÎÃøºî¸¢¤Ë½¾¤¤¤Þ¤¹¡£ -</P> -<PRE> + <small><pre> [ÌõÃí¡§ ÀµÊ¸¤Ï±Ñ¸ì¤Ç¤¹¡£»²¹Í¤È¤·¤Æ¡¢Ìõʸ¤òÊ»µ·ÇºÜ¤·¤Þ¤¹¡£ ] -</PRE> -<P> -PostgreSQL Data Base Management System</P> -<P> -Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group -Portions Copyright (c) 1994-6 Regents of the University of California</P> -<P> -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose, without fee, and without a written -agreement is hereby granted, provided that the above copyright notice -and this paragraph and the following two paragraphs appear in all -copies.</P> -<P> -IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY -FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, -INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS -DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF -THE POSSIBILITY OF SUCH DAMAGE.</P> -<P> -THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, -INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY -AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER -IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO -OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR -MODIFICATIONS.</P> - -<PRE> + </pre></small> + <p>PostgreSQL Data Base Management System</p> + <p> + Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group + Portions Copyright (c) 1994-1996 Regents of the University of California</p> + <p> + Permission to use, copy, modify, and distribute this software and its + documentation for any purpose, without fee, and without a written + agreement is hereby granted, provided that the above copyright notice + and this paragraph and the following two paragraphs appear in all + copies.</p> + <p> + IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY + FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, + INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS + DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF + THE POSSIBILITY OF SUCH DAMAGE.</p> + <p> + THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER + IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO + OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR + MODIFICATIONS.</p> + + <small><pre> POSTGRESQL ¥Ç¡¼¥¿¥Ù¡¼¥¹´ÉÍý¥·¥¹¥Æ¥à - ÉôÊ¬ÅªÃøºî¸¢ (c) 1996-2004, PostgreSQL¹ñºÝ³«È¯¥Á¡¼¥à - ÉôÊ¬ÅªÃøºî¸¢ (c) 1994-6 ¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³ØËܹ» + ÉôÊ¬ÅªÃøºî¸¢ (c) 1996-2005, PostgreSQL¹ñºÝ³«È¯¥Á¡¼¥à + ÉôÊ¬ÅªÃøºî¸¢ (c) 1994-1996 ¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³ØËܹ» ËÜ¥½¥Õ¥È¥¦¥§¥¢¤ª¤è¤Ó¤½¤Îʸ½ñ°ì¼°¤Ï¾åµ¤ÎÃøºî¸¢É½¼¨¤È¡¢¤³¤Îʸ¾Ï @@ -212,1248 +182,991 @@ MODIFICATIONS.</P> Ãøºî¸¢¤Ë´Ø¤¹¤ëÀµÊ¸¤Ï¾åµ¤Î±Ñ¸ì¤Ë¤è¤ëɽµ¤Ç¤¹¡£ÆüËܸìÌõ¤Ï¤¢¤¯¤Þ¤Ç »²¹Í¤Ç¤¹¡£ ] -</PRE> + </pre></small> -<P>¾åµ¤ÏBSD¥é¥¤¥»¥ó¥¹¤Ç¸Å¤¥ª¡¼¥×¥ó¥½¡¼¥¹¤Î¥é¥¤¥»¥ó¥¹¤Ç¤¹¡£¥½¡¼¥¹¥³¡¼¥É -¤¬¤É¤Î¤è¤¦¤Ë»È¤ï¤ì¤è¤¦¤È¤âÀ©¸Â¤·¤Þ¤»¤ó¡£¹¥¤Þ¤·¤¤¤³¤È¤Ê¤Î¤Ç¡¢²æ¡¹¤â¤½¤ì¤ò -ÊѤ¨¤ë¤Ä¤â¤ê¤Ï¤¢¤ê¤Þ¤»¤ó¡£</P> +<h4><a name="1.3">1.3</a>) PostgreSQL ¤Îưºî´Ä¶¤Ï¡©</h4> -<H4><A NAME="1.3">1.3</A>) PostgreSQL ¤Îưºî´Ä¶¤Ï¡©</H4> + <p>°ìÈÌŪ¤Ë¡¢ºÇ¶á¤ÎUnix¸ß´¹¥×¥é¥Ã¥È¥Û¡¼¥à¤Ç¤¢¤ì¤ÐPostgreSQL¤ò²ÔƯ¤µ + ¤»¤é¤ì¤ë¤Ï¤º¤Ç¤¹¡£¥ê¥ê¡¼¥¹¤Î»þÅÀ¤Ç¼ÂºÝ¤Ë¥Æ¥¹¥È¤ò¹Ô¤Ê¤Ã¤¿¤³¤È¤ÎÊó¹ð¤¬ + ¤Ê¤µ¤ì¤¿¥×¥é¥Ã¥È¥Û¡¼¥à¤Ë¤Ä¤¤¤Æ¤Ï¥¤¥ó¥¹¥È¡¼¥ë¼ê°ú½ñ¤ËÎóµó¤·¤Æ¤¢¤ê¤Þ¤¹¡£ + </p> -<P> -°ìÈÌŪ¤Ë¡¢ºÇ¶á¤ÎUnix¸ß´¹¥×¥é¥Ã¥È¥Û¡¼¥à¤Ç¤¢¤ì¤ÐPostgreSQL¤ò²ÔƯ¤µ¤»¤é¤ì¤ë¤Ï¤º¤Ç¤¹¡£¥ê¥ê¡¼¥¹¤Î»þÅÀ¤Ç¼ÂºÝ¤Ë¥Æ¥¹¥È¤ò¹Ô¤Ê¤Ã¤¿¤³¤È¤ÎÊó¹ð¤¬¤Ê¤µ¤ì¤¿¥×¥é¥Ã¥È¥Û¡¼¥à¤Ë¤Ä¤¤¤Æ¤Ï¥¤¥ó¥¹¥È¡¼¥ë¼ê°ú½ñ¤ËÎóµó¤·¤Æ¤¢¤ê¤Þ¤¹¡£</P> + <p>PostgreSQL ¤Ï¡¢Win2000, WinXP, ¤½¤·¤Æ¡¢Win2003 ¤Î¤è¤¦¤Ê Microsoft + Windows NT¥Ù¡¼¥¹¤Î¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ç¡¢¥Í¥¤¥Æ¥£¥Ö¤ËÁö¤ê¤Þ¤¹¡£ + ¤¢¤é¤«¤¸¤á¥Ñ¥Ã¥±¡¼¥¸¤Ë¤µ¤ì¤¿¥¤¥ó¥¹¥È¡¼¥é¤¬<a href= + "http://pgfoundry.org/projects/pginstaller"> + http://pgfoundry.org/projects/pginstaller</a> + ¤Ë¤¢¤ê¡¢ÍøÍѤǤ¤Þ¤¹¡£MSDOS¥Ù¡¼¥¹¤ÎWindows¤Î¥Ð¡¼¥¸¥ç¥ó(Win95, Win98, + WinMe)¤Ç¤Ï¡¢Cygwin¤ò»È¤Ã¤Æ PostgreSQL ¤òÁö¤é¤»¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£</p> -<H4><A NAME="1.4">1.4</A>) Unix°Ê³°¤Î°Ü¿¢ÈǤǻȤ¨¤ë¤â¤Î¤Ï¡©</H4> - -<P>¥Ð¡¼¥¸¥ç¥ó8.0¤Ë¤Ê¤ê¡¢PostgreSQL ¤Ï¡¢Win2000, WinXP, Win2003¤Ê¤É¤Î Microsoft Windows NT¥Ù¡¼¥¹¤Î¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ç¥Í¥¤¥Æ¥£¥Ö¤ËÁö¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤·¤¿¡£ -¥Ñ¥Ã¥±¡¼¥¸¤Ë¤Ê¤Ã¤¿¥¤¥ó¥¹¥È¡¼¥é¤¬¡¢<a href="http://pgfoundry.org/projects/pginstaller">http://pgfoundry.org/projects/pginstaller</a>¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¡£ -Windows (Win95, Win98, WinMe)¤Ê¤É¡¢MSDOS¥Ù¡¼¥¹¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢Cygwin ¤ò»È¤Ã¤ÆPostgreSQL¤òÁö¤é¤»¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ -</P> - -<pre> + <small><pre> [ÌõÃí pgInstaller ¤ÎÆþ¼ê¤ÏFTP¥ß¥é¡¼¥µ¥¤¥È¤Î win32 ¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¤â²Äǽ¤Ç¤¹¡£ http://www.postgresql.org/mirrors-ftp.html + + ¾Ü¤·¤¯¤Ï¡¢¼¡¤Î WindwosÈǤ˴ؤ¹¤ëFAQ¤ÎÏÂÌõ¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£ + http://www.postgresql.jp/wg/jpugdoc/FAQ_windows.ja.html ] -</pre> + </pre></small> - <p>¼¡¤Î¥µ¥¤¥È¤Ë Novell Netware 6 ¤Ø¤Î°Ü¿¢¤â¤¢¤ê¤Þ¤¹¡£ + <p>¼¡¤Î¥µ¥¤¥È¤Ë Novell Netware 6 ¤Ø¤Î°Ü¿¢ÈǤ⤢¤ê¤Þ¤¹¡£ <a href="http://forge.novell.com">http://forge.novell.com</a> ¤Þ¤¿¡¢OS/2 (eComStation) ¥Ð¡¼¥¸¥ç¥ó¤Ï¡¢<a href= - "http://hobbes.nmsu.edu/cgi-bin/h-search?sh=1&button=Search&key=postgreSQL&stype=all&sort=type&dir=%2F"> - http://hobbes.nmsu.edu/cgi-bin/h-search?sh=1&button=Search&key=postgreSQL&stype=all&sort=type&dir=%2F</a>¤Ë¤¢¤ê¤Þ¤¹¡£</p> -<BR> - - -<H4><A NAME="1.5">1.5</A>) PostgreSQL ¤Ï¤É¤³¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¤«¡©</H4> - -<P> PostgreSQL ¤ÎÂ縵¤Î anonymous ftp ¥µ¥¤¥È¤Ï -<A -href="ftp://ftp.PostgreSQL.org/pub/">ftp://ftp.PostgreSQL.org/pub/</A> -¤Ç¤¹¡£ -¥ß¥é¡¼¥µ¥¤¥È¤Ë¤Ä¤¤¤Æ¤Ï¡¢²æ¡¹¤Î¥á¥¤¥ó Web ¥Ú¡¼¥¸¤ò¤´Í÷²¼¤µ¤¤¡£</P> - -<PRE> - [ÌõÃí: - - °Ê²¼¤ÏÆüËܤΥߥ顼¥µ¥¤¥È¤Ç¤¹: - - Japan: <A HREF="ftp://ftp.jp.postgresql.org/">ftp://ftp.jp.postgresql.org/</A> - Japan: <A HREF="ftp://mirror.nucba.ac.jp/mirror/PostgreSQL/pub/">ftp://mirror.nucba.ac.jp/mirror/PostgreSQL/pub/</A> - Japan: <A HREF="ftp://ring.ip-kyoto.ad.jp/pub/misc/db/PostgreSQL/">ftp://ring.ip-kyoto.ad.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.crl.go.jp/pub/misc/db/PostgreSQL/">ftp://ring.crl.go.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.saitama-u.ac.jp/pub/misc/db/PostgreSQL/">ftp://ring.saitama-u.ac.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.astem.or.jp/pub/misc/db/PostgreSQL/">ftp://ring.astem.or.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.exp.fujixerox.co.jp/pub/misc/db/PostgreSQL/">ftp://ring.exp.fujixerox.co.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.jah.ne.jp/pub/misc/db/PostgreSQL/">ftp://ring.jah.ne.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.etl.go.jp.jp/pub/misc/db/PostgreSQL/">ftp://ring.etl.go.jp.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.asahi-net.or.jp/pub/misc/db/PostgreSQL/">ftp://ring.asahi-net.or.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.so-net.ne.jp/pub/misc/db/PostgreSQL/">ftp://ring.so-net.ne.jp/pub/misc/db/PostgreSQL/</A> - Japan: <A HREF="ftp://ring.aist.go.jp/pub/misc/db/PostgreSQL/">ftp://ring.aist.go.jp/pub/misc/db/PostgreSQL/</A> - ] -</PRE> - -<H4><A NAME="1.6">1.6</A>) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡©</H4> - -<P>¼çÍפʥ᡼¥ê¥ó¥°¡¦¥ê¥¹¥È¤Ï: <A HREF="mailto:pgsql-general@PostgreSQL.org">pgsql-general@PostgreSQL.org</A>¤Ç¤¹¡£PostgreSQL ¤Ë´Ø¤¹¤ë¤³¤È¤Ç¤¢¤ì¤ÐµÄÏÀ¤¬¤Ç¤¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤Ï¡¢ÅŻҥ᡼¥ë¤ÎËÜʸ(Subject ¹Ô¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó)¤Ë¼¡¤Î£²¹Ô¤ò½ñ¤¤¤Æ¡¢</P> -<PRE> - subscribe - end -</PRE> - -<P> <A HREF="mailto:pgsql-general-request@PostgreSQL.org">pgsql-general-request@PostgreSQL.org</A> ¤ØÁ÷¤Ã¤Æ²¼¤µ¤¤¡£</P> - -<P> ¥À¥¤¥¸¥§¥¹¥ÈÈǤΥ᡼¥ê¥ó¥°¡¦¥ê¥¹¥È¤â¤¢¤ê¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤Ï "ËÜʸ"¤Ë¡§</P> -<PRE> - subscribe - end -</PRE> - -<P>¤È½ñ¤¤¤Æ <A HREF="mailto:pgsql-general-digest-request@PostgreSQL.org"> pgsql-general-digest-request@PostgreSQL.org</A> ¤ØÅŻҥ᡼¥ë¤òÁ÷¤Ã¤Æ²¼¤µ¤¤¡£</P> - -<P> ¥À¥¤¥¸¥§¥¹¥ÈÈǤϡ¢¥á¥¤¥ó¥ê¥¹¥È¤Ç¼õ¿®¤¹¤ë¥á¥Ã¥»¡¼¥¸¤¬ 30k ÄøÅÙί¤ëËè¤Ë¥À¥¤¥¸¥§¥¹¥ÈÈǥꥹ¥È¤Î¥á¥ó¥Ð¡¼¤ËÁ÷ÉÕ¤µ¤ì¤Þ¤¹¡£</P> - -<P> ¥Ð¥°¥ì¥Ý¡¼¥ÈÍѤΥ᡼¥ê¥ó¥°¥ê¥¹¥È¤â¤¢¤ê¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤Ï "ËÜʸ" ¤Ë¡§ -</P> -<PRE> - subscribe - end -</PRE> -<P> -¤È½ñ¤¤¤Æ<A -HREF="mailto:pgsql-bugs-request@PostgreSQL.org">pgsql-bugs-request@PostgreSQL.org</A> - -¤ØÅŻҥ᡼¥ë¤òÁ÷¤Ã¤Æ²¼¤µ¤¤¡£</P> - -<P> ³«È¯¼Ô¤ÎµÄÏÀ¤Î¤¿¤á¤Î¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤âÍøÍѤǤ¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤ÏÅŻҥ᡼¥ë¤ÎËÜʸ¤Ë¡§ -</P> -<PRE> - subscribe - end -</PRE> - -<P>¤È½ñ¤¤¤Æ¡¢<A HREF="mailto:pgsql-hackers-request@PostgreSQL.org">pgsql-hackers-request@PostgreSQL.org</A>¤ØÅŻҥ᡼¥ë¤òÁ÷¤Ã¤Æ²¼¤µ¤¤¡£</P> - -<P>PostgreSQL ¤Ë¤Ä¤¤¤Æ¤â¤Ã¤È¾Ü¤·¤¯ÃΤꤿ¤±¤ì¤Ð¡¢¼¡¤Î PostgreSQL WWW¥Û¡¼¥à¥Ú¡¼¥¸¤«¤é¤¿¤É¤ì¤Þ¤¹¡§</P> -<BLOCKQUOTE> - <P><A HREF="http://www.PostgreSQL.org">http://www.PostgreSQL.org</A></P> -</BLOCKQUOTE> -<P>¥á¥¸¥ã¡¼¤ÊIRC ¥Á¥ã¥ó¥Í¥ë¤Ï¡¢Freenode (<I>irc.freenode.net</I>)¤Î -<I>#PostgreSQL</I> ¤È¤¤¤¦¥Á¥ã¥ó¥Í¥ë¤Ç¤¹¡£ -UNIX ¥³¥Þ¥ó¥É¤Ç¡¢ - <CODE>irc -c '#PostgreSQL' "$USER" irc.freenode.net.</CODE> -¤ò»È¤Ã¤Æ»²²Ã¤Ç¤¤Þ¤¹¡£ -Ʊ¤¸¥Í¥Ã¥È¥ï¡¼¥¯¤Ë¡¢¥¹¥Ú¥¤¥ó¸ì¤Î¥Á¥ã¥ó¥Í¥ë(<I>#postgresql-es</I>)¤â¤¢ -¤ê¡¢¥Õ¥é¥ó¥¹¸ì¤Î¥Á¥ã¥ó¥Í¥ë(<I>#postgresqlfr</I>)¤â¤¢¤ê¤Þ¤¹¡£ -EFNet¤Ë¤âPostgreSQL¥Á¥ã¥ó¥Í¥ë¤¬¤¢¤ê¤Þ¤¹¡£ -</P> - -<PRE> + "http://hobbes.nmsu.edu/cgi-bin/h-search?sh=1&button=Search&key=postgreSQL&stype=all&sort=type&dir=%2F"> + http://hobbes.nmsu.edu/cgi-bin/h-search?sh=1&button=Search&key=postgreSQL&stype=all&sort=type&dir=%2F</a>¤Ë¤¢¤ê¤Þ¤¹¡£</p> +<br /> + + +<h4><a name="1.4">1.4</a>) PostgreSQL ¤Ï¤É¤³¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¤«¡©</h4> + + <p>Web¥Ö¥é¥¦¥¶·Ðͳ¤À¤È¡¢<a href="http://www.postgresql.org/ftp/"> + http://www.postgresql.org/ftp/</a>¡¢¤½¤ì¤«¤é¡¢ftp·Ðͳ¤À¤È¡¢ + <a href="ftp://ftp.PostgreSQL.org/pub/"> + ftp://ftp.PostgreSQL.org/pub/</a> ¤ò»È¤¤¤Þ¤¹¡£</p> + + +<h4><a name="1.5">1.5</a>) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡©</h4> + + <p>PostgreSQL ¥³¥ß¥å¥Ë¥Æ¥£¤Ï¿¤¯¤Î¥æ¡¼¥¶¤Î¤¿¤á¤Ë¡¢ÅŻҥ᡼¥ë·Ðͳ¤Î»Ù + ±ç¤òÄ󶡤·¤Æ¤¤¤Þ¤¹¡£ÅŻҥ᡼¥ë¥ê¥¹¥È¤ò¥µ¥Ö¥¹¥¯¥é¥¤¥Ö¤¹¤ë¤¿¤á¤Î¥á¥¤¥ó + ¤È¤Ê¤ë¥¦¥§¥Ö¥µ¥¤¥È¤Ï + <a href="http://www.postgresql.org/community/lists/"> + http://www.postgresql.org/community/lists/</a>¤Ç¤¹¡£¤³¤ì¤«¤é¡¢»Ï¤á¤ë + ¤Î¤Ç¤¢¤ì¤Ð <i>general</i> ¤Þ¤¿¤Ï¡¢<i>bugs</i> ¤È¤¤¤Ã¤¿¥ê¥¹¥È¤¬¤è¤¤¤Ç + ¤·¤ç¤¦¡£</p> + + <p>The major IRC channel is <i>#postgresql</i> on Freenode + (<i>irc.freenode.net</i>). To connect you can use the Unix + program <code>irc -c '#postgresql' "$USER" irc.freenode.net</code> + or use any other IRC clients. A Spanish one also exists + on the same network, (<i>#postgresql-es</i>), and a French one, + (<i>#postgresqlfr</i>). There is also a PostgreSQL channel on EFNet.</p> + + <p>¥á¥¸¥ã¡¼¤ÊIRC ¥Á¥ã¥ó¥Í¥ë¤Ï¡¢Freenode (<i>irc.freenode.net</i>)¤Î + <i>#postgresql</i> ¤È¤¤¤¦¥Á¥ã¥ó¥Í¥ë¤Ç¤¹¡£UNIX ¥³¥Þ¥ó¥É¤Ç¤Ï¡¢ + <code>irc -c '#PostgreSQL' "$USER" irc.freenode.net</code> ¤ò»È¤Ã¤Æ + »²²Ã¤Ç¤¤Þ¤¹¡£Æ±¤¸¥Í¥Ã¥È¥ï¡¼¥¯¤Ë¡¢¥¹¥Ú¥¤¥ó¸ì¤Î¥Á¥ã¥ó¥Í¥ë + (<i>#postgresql-es</i>)¤â¤¢¤ê¡¢¥Õ¥é¥ó¥¹¸ì¤Î¥Á¥ã¥ó¥Í¥ë + (<i>#postgresqlfr</i>)¤â¤¢¤ê¤Þ¤¹¡£EFNet¤Ë¤âPostgreSQL¥Á¥ã¥ó¥Í¥ë¤¬¤¢ + ¤ê¤Þ¤¹¡£</p> + + + <p> + <small><pre> [ÌõÃí: 1999ǯ7·î23Æü¡¢ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¡¢Î¬¾ÎJPUG¤¬ÀßΩ¤µ¤ì¤Þ¤·¤¿¡£ JPUG ¤ÏÈó±ÄÍøÁÈ¿¥¤Ç¡¢PostgreSQL¤òÍøÍѤ¹¤ë¿Íã¤ÎÁê¸ß¶¨ÎϤξì¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£ (2003ǯ5·î17Æü¡¢¡ÖÆüËÜPostgreSQL¥æ¡¼¥¶²ñ¡×¤Ë̾¾Î¤ò²þ¤á¤Þ¤·¤¿¡£) Àµ²ñ°÷¤Î²ñÈñ¤Ï̵ÎÁ¤Ç¤¹¤¬¡¢¶¨»¿²ñ°÷¤Î²ñÈñ¤È²ñ°÷¤ÎÀѶËŪ¤Ê¹×¸¥¤¬²ñ¤Î±¿±Ä¤ò½õ¤±¤Æ¤¤¤Þ¤¹¡£ ¾Ü¤·¤¯¤Ï¡¢JPUG ¤ÎWeb ¥µ¥¤¥È: - <A HREF="http://www.PostgreSQL.jp/">http://www.PostgreSQL.jp/</A> - ¤ò¤´Í÷¤¯¤À¤µ¤¤¡£²ñ°÷ÅÐÏ¿¤â²Äǽ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£ + <a href="http://www.PostgreSQL.jp/">http://www.PostgreSQL.jp/</a> + ¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£²ñ°÷ÅÐÏ¿¤â²Äǽ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£ ÆüËܸì¤ÎIRC¥Á¥ã¥ó¥Í¥ë '#PostgreSQL*jp' ¤â¸ºß¤·¤Þ¤¹¡£ -</PRE> + </pre></small> + <p>¾¦ÍÑ¥µ¥Ý¡¼¥È²ñ¼Ò¤Î¥ê¥¹¥È¤Ï<a + href="http://techdocs.postgresql.org/companies.php"> + http://techdocs.postgresql.org/companies.php</a>¤Ë¤¢¤ê¤Þ¤¹¡£</p> -<P>¾¦ÍÑ¥µ¥Ý¡¼¥È²ñ¼Ò¤Î¥ê¥¹¥È¤Ï<a href="http://techdocs.postgresql.org/companies.php">http://techdocs.postgresql.org/companies.php</a>¤Ë¤¢¤ê¤Þ¤¹¡£</P> +<h4><a name="1.6">1.6</a>) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡© +</h4> -<H4><A NAME="1.7">1.7</A>) ºÇ¿·ÈǤϤɤì¤Ç¤¹¤«</H4> -<P> -PostgreSQL ¤ÎºÇ¿·ÈǤϥС¼¥¸¥ç¥ó 7.4.6 ¤Ç¤¹¡£</P> -<P> -²æ¡¹¤Ï¡¢6¡Á8¥«·îËè¤Ë¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¹Ô¤Ê¤¦¤³¤È¤ò·×²è¤·¤Æ¤¤¤Þ¤¹¡£</P> + <p><a href= + "http://www.postgresql.org/support/submitbug"> + http://www.postgresql.org/support/submitbug</a> + ¤ÎPostgreSQL ¥Ð¥°¥Õ¥©¡¼¥à¤òˬ¤ì¤Æ¤¯¤À¤µ¤¤¡£ ¥Ð¥°¥ì¥Ý¡¼¥È¤òÄó½Ð¤¹¤ë»ÅÊý + ¤Ë¤Ä¤¤¤Æ¤Î¼ê°ú¤È»Ø¿Ë¤¬¤¢¤ê¤Þ¤¹¡£</p> + <p> ¤½¤ì¤ÈƱ»þ¤Ë ftp ¥µ¥¤¥È <A + href="ftp://ftp.PostgreSQL.org/pub/">ftp://ftp.PostgreSQL.org/pub/</a> + ¤Ç¡¢ºÇ¿·¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òõ¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£</p> -<H4><A NAME="1.8">1.8</A>) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡©</H4> -<P> ÇÛÉÕ¤ÎÃæ¤Ë¡¢¤¤¤¯¤Ä¤«¤Î¥Þ¥Ë¥å¥¢¥ë¤È¥ª¥ó¥é¥¤¥ó¡¦¥Þ¥Ë¥å¥¢¥ë(¥Þ¥Ë¥å¥¢¥ë¡¦¥Ú¡¼¥¸)¤ª¤è¤Ó¤¤¤¯¤Ä¤«¤Î¾®¤µ¤Ê¥Æ¥¹¥ÈÎãÂ꤬´Þ¤Þ¤ì¤Þ¤¹¡£<I>/doc</I> ¥Ç¥£¥ì¥¯¥È¥ê¤ò¤´Í÷²¼¤µ¤¤¡£¤Þ¤¿¡¢¥Þ¥Ë¥å¥¢¥ë¤Ï¡¢<A HREF="http://www.ca.PostgreSQL.org/docs/">http://www.ca.PostgreSQL.org/docs/</A>¤Ç¥ª¥ó¥é¥¤¥ó¤Ç¤â±ÜÍ÷¤Ç¤¤Þ¤¹¡£</P> +<h4><a name="1.7">1.7</a>) ºÇ¿·ÈǤϤɤì¤Ç¤¹¤«</h4> -<PRE> - [ÌõÃí: - ¡Ê³ô¡ËSRA¤ÈÆüËÜPostgreSQL¥æ¡¼¥¶²ñ¤ÇËÝÌõ¤µ¤ì¡¢ - <A HREF="http://osb.sra.co.jp/PostgreSQL/Manual/">¡ÖPostgreSQL ¥ª¥Õ¥£¥·¥ã¥ë¥Þ¥Ë¥å¥¢¥ë¡×</A> - ¤È¤·¤Æ½ÐÈǤµ¤ì¤Æ¤¤¤Þ¤¹¡£ - ] -</PRE> + <p>PostgreSQL ¤ÎºÇ¿·ÈǤϥС¼¥¸¥ç¥ó 8.0.3 ¤Ç¤¹¡£</p> + <p>²æ¡¹¤Ï¡¢1ǯËè¤Ë¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¹Ô¤Ê¤¤¡¢¿ô¥õ·î¤´¤È¤Î¥Þ¥¤¥Ê¡¼¥ê¥ê¡¼ + ¥¹¤ò¤ò·×²è¤·¤Æ¤¤¤Þ¤¹¡£</p> -<P>¥ª¥ó¥é¥¤¥ó¤Ç»²¾È¤Ç¤¤ë PostgreSQL ¤ÎËܤâ2ºý¤¢¤ê¤Þ¤¹¡£<A href= - "http://www.PostgreSQL.org/docs/awbook.html">http://www.PostgreSQL.org/docs/awbook.html</A> -</P> -<PRE> +<h4><a name="1.8">1.8</a>) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡©</h4> + + <p> ÇÛÉÕ¤ÎÃæ¤Ë¡¢¤¤¤¯¤Ä¤«¤Î¥Þ¥Ë¥å¥¢¥ë¤È¥ª¥ó¥é¥¤¥ó¡¦¥Þ¥Ë¥å¥¢¥ë(¥Þ¥Ë¥å + ¥¢¥ë¡¦¥Ú¡¼¥¸)¤ª¤è¤Ó¤¤¤¯¤Ä¤«¤Î¾®¤µ¤Ê¥Æ¥¹¥ÈÎãÂ꤬´Þ¤Þ¤ì¤Þ¤¹¡£ + <i>/doc</i>¥Ç¥£¥ì¥¯¥È¥ê¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£¤Þ¤¿¡¢¥Þ¥Ë¥å¥¢¥ë¤Ï¡¢<A + href="http://www.PostgreSQL.org/docs/"> + http://www.PostgreSQL.org/docs/</a>¤Ç¥ª¥ó¥é¥¤¥ó¤Ç¤â±ÜÍ÷¤Ç¤¤Þ¤¹¡£ + </p> + + + <small><pre> [ÌõÃí: - ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¤Î<A HREF="http://www.PostgreSQL.jp/wg/psqltrans/"> ¡ÖPostgreSQL BookËÝÌõʬ²Ê²ñ¡×</A> - ¤Ë¤ÆËÝÌõ¤µ¤ì¤Þ¤·¤¿¡£ + JPUG ʸ½ñ¡¦½ñÀÒ´ØÏ¢Ê¬²Ê²ñ¤ÇËÝÌõ¤µ¤ì¤¿¥Þ¥Ë¥å¥¢¥ë¤â¤¢¤ê¤Þ¤¹¡£ + <a href="http://www.postgresql.jp/document/pg803doc/"> + http://www.postgresql.jp/document/pg803doc/</a> + ¥¤¥ó¥×¥ì¥¹¤«¤é¡¢ + <a href="http://home.impress.co.jp/reference/2108.htm"> + PostgreSQL¥ª¥Õ¥£¥·¥ã¥ë¥Þ¥Ë¥å¥¢¥ë</a>¤È¤·¤Æ½ÐÈǤµ¤ì¤Æ¤¤¤Þ¤¹¡£ + ] -</PRE> -<P> - ¤ª¤è¤Ó¡¢ <A href= - "http://www.commandprompt.com/ppbook/">http://www.commandprompt.com/ppbook/</A> -¤Ç¤¹¡£ - - ¹ØÆþ²Äǽ¤Ê½ñÀÒ¤ÎÌÜÏ¿¤Ï¡¢<A href= - "http://techdocs.postgresql.org/techdocs/bookreviews.php">http://techdocs.PostgreSQL.org/techdocs/bookreviews.php</A> - ¤Ë¤¢¤ê¤Þ¤¹¡£ + </pre></small> - PostgreSQL µ»½Ñ¾ðÊóµ»ö¤â¡¢<A href= - "http://techdocs.PostgreSQL.org/">http://techdocs.PostgreSQL.org/</A> - ¤Ë¤¢¤ê¤Þ¤¹¡£</P> -<P> + + <p>¥ª¥ó¥é¥¤¥ó¤Ç»²¾È¤Ç¤¤ë PostgreSQL ¤ÎËܤâ2ºý¤¢¤ê¤Þ¤¹¡£<a href= + "http://www.PostgreSQL.org/docs/awbook.html"> + http://www.PostgreSQL.org/docs/awbook.html</a> + + <small><pre> [ÌõÃí: - ÏÂÌõʸ½ñ¤Ï¡¢ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¤Î<A - HREF="http://www.postgresql.jp/document/">http://www.postgresql.jp/document/</A> - ¤ò¤´¤é¤ó²¼¤µ¤¤¡£ + JPUG<a href="http://www.PostgreSQL.jp/wg/psqltrans/">¡ÖPostgreSQL BookËÝÌõʬ²Ê²ñ¡× + </a>¤ÇËÝÌõ¤µ¤ì¡¢¥Ô¥¢¥½¥ó¤«¤é<a href="http://www.seshop.com/detail.asp?pid=2587"> + ¡Ö¤Ï¤¸¤á¤Æ¤ÎPostgreSQL¡×</a>¤È¤·¤Æ½ÐÈǤµ¤ì¤Þ¤·¤¿¡£ ] -</P> - -<P> ¥³¥Þ¥ó¥É¥é¥¤¥ó¤Î¥¯¥é¥¤¥¢¥ó¥È¥×¥í¥°¥é¥à<I>psql</I> ¤â¡¢·¿¡¢±é»»»Ò¡¢´Ø¿ô¡¢½¸Ì󡢤½¤Î¾¤Î¾ðÊó¤ò¤ª¸«¤»¤¹¤ë¡¢¤¤¤¯¤Ä¤«¤ÎÁÇÀ²¤é¤·¤¤ \d ¥³¥Þ¥ó¥É¤ò»ý¤Á¤Þ¤¹¡£ -- \? ¤ò»È¤¦¤ÈÍøÍѲÄǽ¤Ê¥³¥Þ¥ó¥É¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£ -</P> - -<P> ²æ¡¹¤Î Web ¥µ¥¤¥È¤Ë¤Ï¡¢¤â¤Ã¤ÈÂô»³¤Îʸ½ñ¤¬¤¢¤ê¤Þ¤¹¡£</P> - - -<H4><A NAME="1.9">1.9</A>) ´ûÃΤΥХ°¤ä̤¤À̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡© -</H4> -<P> -PostgreSQL¤Ï³ÈÄ¥¤µ¤ì¤¿<SMALL>SQL</SMALL>-92¤Î¥µ¥Ö¥»¥Ã¥È¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£ -²æ¡¹¤Î¥Ú¡¼¥¸¤Î -<A HREF="http://www.PostgreSQL.org/docs/todo.html">TODO</A> -¥ê¥¹¥È¤Ë¡¢´ûÃΤΥХ°¤ä·çÍǽ¤ä¾Íè·×²è¤Ë¤Ä¤¤¤Æ¤Îµ½Ò¤¬¤¢¤ê¤Þ¤¹¡£</P> - -<H3><A NAME="1.10">1.10</A>) <SMALL>SQL</SMALL> ¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡©</H3> -<P> -<A HREF="http://www.PostgreSQL.org/docs/awbook.html"> -http://www.PostgreSQL.org/docs/awbook.html</A> -¤Ë¤¢¤ëPostgreSQLËÜ¤Ç <SMALL>SQL</SMALL> ¤ò¶µ¤¨¤Æ¤¤¤Þ¤¹¡£ -</P> -<PRE> + </pre></small> + + ¤ª¤è¤Ó¡¢ <a href= + "http://www.commandprompt.com/ppbook/"> + http://www.commandprompt.com/ppbook/</a>¤Ç¤¹¡£ + + <small><pre> [ÌõÃí: - ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¤Î<A HREF="http://www.PostgreSQL.jp/wg/psqltrans/"> ¡ÖPostgreSQL BookËÝÌõʬ²Ê²ñ¡×</A> - ¤Ë¤ÆËÝÌõ¤µ¤ì½ÐÈǤµ¤ì¤Æ¤¤¤Þ¤¹¡£ + Ë®Ìõ¤Ï<a href="http://www.oreilly.co.jp/books/4873111021/">¡Ö¼ÂÁ© PostgreSQL¡× + </a>¤¬¥ª¥é¥¤¥ê¡¼¤«¤é½ÐÈǤµ¤ì¤Æ¤¤¤Þ¤¹¡£ ] -</PRE> + </pre></small> + + ¹ØÆþ²Äǽ¤Ê½ñÀÒ¤ÎÌÜÏ¿¤Ï¡¢<a href= + "http://techdocs.postgresql.org/techdocs/bookreviews.php">http://techdocs.PostgreSQL.org/techdocs/bookreviews.php</a> + ¤Ë¤¢¤ê¤Þ¤¹¡£ -<P> -¤½¤Î¾¤Ë¤â PostgreSQLËܤȤ·¤Æ¡¢<A href= - "http://www.commandprompt.com/ppbook/">http://www.commandprompt.com/ppbook</A> -¤¬¤¢¤ê¤Þ¤¹¡£ + PostgreSQL µ»½Ñ¾ðÊóµ»ö¤â¡¢<a href= + "http://techdocs.PostgreSQL.org/">http://techdocs.PostgreSQL.org/</a> + ¤Ë¤¢¤ê¤Þ¤¹¡£</p> -ÁÇÀ²¤é¤·¤¤¼ê°ú½ñ¤Ï¡¢<A href= - "http://www.intermedia.net/support/sql/sqltut.shtm">http://www.intermedia.net/support/sql/sqltut.shtm,</A> - <A href= - "http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM"> - http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM,</A> - ¤½¤·¤Æ¡¢<A href= - "http://sqlcourse.com/">http://sqlcourse.com</A> -¤Ë¤¢¤ê¤Þ¤¹¡£</P> - - <P>¤½¤Î¾¤Ç¤Ï¡¢ "Teach Yourself SQL in 21 Days, Second Edition" ¤¬ <A href= - "http://members.tripod.com/er4ebus/sql/index.htm">http://members.tripod.com/er4ebus/sql/index.htm</A>¤Ë¤¢¤ê¤Þ¤¹¡£</P> - -<P> -¿¤¯¤Î¥æ¡¼¥¶¤Ë¡¢ -<I>The Practical SQL Handbook</I>, Bowman Judith S. et al., Addison-Wesley -¤¬¹¥É¾¤Ç¤¹¡£ -¤½¤Î¾¤Ë¡¢<I>The Complete Reference SQL</I>, Groff et al., McGraw-Hill -¤Î¤è¤¦¤Ê¤Î¤â¤¢¤ê¤Þ¤¹¡£ -</P> - -<PRE> + <small><pre> [ÌõÃí: - ÀаæÃ£É×»á¤Ë¤è¤ëÆüËܸì¤Î»²¹Íʸ¸¥¤Î¾Ò²ð¥Ú¡¼¥¸ - <A HREF="http://www.SRA.co.jp/people/t-ishii/PostgreSQL/doc-jp/index.html">http://www.SRA.co.jp/people/t-ishii/PostgreSQL/doc-jp/index.html</A> - ¤¬¤¢¤ê¤Þ¤¹¡£ - ¶áƣľʸ»á¤Î¡Ö½é¿´¼Ô¸þ¤Î£Ä£ÂÀ߷ׯþÌ硦£Ó£Ñ£ÌÆþÌ绲¹Í½ñ¾Ò²ð¡×¤Î¥³¡¼¥Ê¡¼ - <A HREF="http://www.shonan.ne.jp/~nkon/ipsql/books_SQL.html">http://www.shonan.ne.jp/~nkon/ipsql/books_SQL.html</A> - ¤¬¤¢¤ê¤Þ¤¹(¤ä¤ä¸Å¤¤2000ǯÈÇ)¡£ - ËÙÅÄÎѱѻá¤Î¡ÖPostgreSQLÆüËܸì¥Þ¥Ë¥å¥¢¥ë¡× - <A HREF="http://www.net-newbie.com/">http://www.net-newbie.com/</A> - ¤Ç¤Ï¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Î¸¡º÷¤¬¤Ç¤¤Þ¤¹¡£ - ´Ý»³ÉÔÆóÉ×»á¤ÎUNIX ¥Ç¡¼¥¿¥Ù¡¼¥¹ÆþÌç - <A HREF="http://www.wakhok.ac.jp/DB/DB.html">http://www.wakhok.ac.jp/DB/DB.html</A> - ¤â¥ª¥ó¥é¥¤¥ó¤ÇÆÉ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + ÆüËܸì¤Î½ñÀÒÅù¤Ë¤Ä¤¤¤Æ¤Ï¤Ï¡¢ÆüËÜPostgreSQL¥æ¡¼¥¶²ñ¤Î¡¢<A + href="http://www.postgresql.jp/PostgreSQL/references.html">http://www.postgresql.jp/PostgreSQL/references.html</a> + ¤â¤´¤é¤ó¤¯¤À¤µ¤¤¡£ ] -</PRE> - -<H4><A NAME="1.11">1.11</A>) PostgreSQL¤ÏÀ¾Îñ2000ǯÌäÂê(Y2K)¤ËÂбþ¤·¤Æ¤¤¤Þ¤¹¤«¡© -</H4> -<P> -Âбþ¤·¤Æ¤Þ¤¹¡£À¾Îñ2000ǯ¤è¤ê¸å¤ÎÆüÉդ⡢µª¸µÁ°2000ǯ¤è¤êÁ°¤ÎÆüÉդ⡢´Êñ¤Ë°·¤¨¤Þ¤¹¡£</P> - -<H4><A NAME="1.12">1.12</A>) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡©<BR> -</H4> -<P> -¤Þ¤ººÇ½é(£±ÈÖÌÜ)¤Ë¡¢ºÇ¿·¤Î¥½¡¼¥¹¤ò¥À¥¦¥ó¥í¡¼¥É¤·¡¢²æ¡¹¤Î Web ¥µ¥¤¥È¤«ÇÛÉÛ¤Ë´Þ¤Þ¤ì¤Æ¤¤¤ëPostgreSQL Developers¤Îʸ½ñ¤òÆÉ¤ß¤Þ¤¹¡£ -£²ÈÖÌܤˡ¢<I>pgsql-hackers</I> ¤È <I>pgsql-patches</I> ¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤ò¹ØÆÉ(subscribe)¤·¤Þ¤¹¡£ -£³ÈÖÌܤˡ¢¹âÉʼÁ¤Î¥Ñ¥Ã¥Á¤òpgsql-patches¤Ëȯ¿®¤·¤Þ¤¹¡£</P> -<P> -¤ª¤è¤½½½¿Í¤Á¤ç¤Ã¤È¤Î¿Í㤬¡¢PostgreSQL <SMALL>CVS</SMALL>¥¢¡¼¥«¥¤¥Ö¤Ë¥³¥ß¥Ã¥È¤¹¤ë¸¢¸Â¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£ -¤½¤Î¤½¤ì¤¾¤ì¤Î¿Í㤬Âô»³¤Î¹âÉʼÁ¤Ê¥Ñ¥Ã¥Á¤òȯ¿®¤¹¤ë¤Î¤Ç¡¢¸½ºß¥³¥ß¥Ã¥¿¡¼¤È¤Ê¤Ã¤Æ¤¤¤ë¿Íã¤Ï¤½¤ì¤ËÄɤ¤ÉÕ¤¯¤Î¤¬ÂçÊѤǤ¹¤¬¡¢²æ¡¹¤ÏÈà¤é¤¬¥³¥ß¥Ã¥È¤·¤¿¥Ñ¥Ã¥Á¤Ï¹âÉʼÁ¤Ç¤¢¤ë¤È³Î¿®¤·¤Æ¤¤¤Þ¤¹¡£</P> - -<H4><A NAME="1.13">1.13</A>) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡© -</H4> - -<P><A href= - "http://www.postgresql.org/support/submitbug"> - http://www.postgresql.org/support/submitbug</A> -¤ÎPostgreSQL ¥Ð¥°¥Õ¥©¡¼¥à¤òˬ¤ì¤Æ²¼¤µ¤¤¡£ ¥Ð¥°¥ì¥Ý¡¼¥È¤òÄó½Ð¤¹¤ë»ÅÊý¤Ë¤Ä¤¤¤Æ¤Î¼ê°ú¤È»Ø¿Ë¤¬¤¢¤ê¤Þ¤¹¡£</P> + </pre></small> + </p> -<P> ¤½¤ì¤ÈƱ»þ¤Ë ftp ¥µ¥¤¥È <A HREF="ftp://ftp.PostgreSQL.org/pub/">ftp://ftp.PostgreSQL.org/pub/</A>¤Ç¡¢¤â¤Ã¤È¿·¤·¤¤¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤¢¤ë¤¤¤Ï¥Ñ¥Ã¥Á¤ò¤µ¤¬¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£</P> + <p> ¥³¥Þ¥ó¥É¥é¥¤¥ó¤Î¥¯¥é¥¤¥¢¥ó¥È¥×¥í¥°¥é¥à<i>psql</i> ¤â¡¢·¿¡¢±é»»»Ò¡¢ + ´Ø¿ô¡¢½¸Ì󡢤½¤Î¾¤Î¾ðÊó¤ò¤ª¸«¤»¤¹¤ë¡¢¤¤¤¯¤Ä¤«¤ÎÁÇÀ²¤é¤·¤¤ \d ¥³¥Þ¥ó + ¥É¤ò»ý¤Á¤Þ¤¹¡£ - \? ¤ò»È¤¦¤ÈÍøÍѲÄǽ¤Ê¥³¥Þ¥ó¥É¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£</p> -<H4><A NAME="1.14">1.14</A>) ¾¤Î<SMALL>DBMS</SMALL>¤ÈÈæ¤Ù¤ÆPostgreSQL¤Ï¤É¤¦¤Ê¤Î¤Ç¤¹¤«¡© -</H4> + <p> ²æ¡¹¤Î Web ¥µ¥¤¥È¤Ë¤Ï¡¢¤µ¤é¤ËÂô»³¤Îʸ½ñ¤¬¤¢¤ê¤Þ¤¹¡£</p> -<P> -¥½¥Õ¥È¥¦¥§¥¢¤ò·×¤ëÊýË¡¤Ë¤Ï¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£µ¡Ç½¤ÈÀǽ¤È¿®ÍêÀ¤È¥µ¥Ý¡¼¥È¤È²Á³Ê¤Ç¤¹¡£</P> -<DL> - <DT> <B>µ¡Ç½(Features)</B></DT> - <DD> - PostgreSQL¤Ï¡¢¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¡¢ÉûÌ䤤¹ç¤ï¤»¡¢¥È¥ê¥¬¡¼¡¢¥Ó¥å¡¼¡¢³°Éô¥¡¼À°¹çÀ»²¾È¡¢¤ª¤è¤Ó¡¢ÀöÎý¤µ¤ì¤¿¥í¥Ã¥¯µ¡¹½¤Ê¤É¡¢Â絬ÌϾ¦ÍÑ<SMALL>DBMS</SMALL>¤¬»ý¤Äµ¡Ç½¤ò¤Û¤È¤ó¤É»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¤µ¤é¤Ë PostgreSQL¤Ï¡¢¥æ¡¼¥¶ÄêµÁ·¿¡¢·Ñ¾µ¡¢¥ë¡¼¥ë¡¢¤½¤ì¤«¤é¡¢¥í¥Ã¥¯¶¥¹ç¤ò½Ì¾®¤¹¤ë¥Þ¥ë¥Á¥Ð¡¼¥¸¥ç¥óƱ»þÀÀ©¸æ¤Ê¤É¡¢¾¦ÍÑ<SMALL>DBMS</SMALL>¤â»ý¤Á¹ç¤ï¤»¤Ê¤¤¤è¤¦¤Êµ¡Ç½¤ò¤¤¤¯¤Ä¤«»ý¤Á¹ç¤ï¤»¤Æ¤¤¤Þ¤¹¡£<BR> - </DD> +<h4><a name="1.9">1.9</a>) ´ûÃΤΥХ°¤ä̤¤À̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡© +</h4> - <DT> <B>Àǽ(Performance)</B></DT> - <DD> - PostgreSQL¤Ï¾¤Î¾¦ÍѤ¢¤ë¤¤¤Ï¥ª¡¼¥×¥ó¥½¡¼¥¹¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤È¸ß³Ñ¤ÎÀǽ¤â»ý¤Á¤Þ¤¹¡£¤¢¤ëÌ̤ǤϤè¤êÁᤫ¤Ã¤¿¤ê¡¢¤Û¤«¤ÎÌ̤ǤϤè¤êÃÙ¤«¤Ã¤¿¤ê¤·¤Þ¤¹¡£MySQL¤Ê¤É¤ÎÆÃ²½·¿¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥·¥¹¥Æ¥à¤Ë¤¯¤é¤Ù¤Æ¡¢PostgreSQL ¤ÏÊ£¿ô¥æ¡¼¥¶¤äÊ£»¨¤ÊÌ䤤¹ç¤ï¤»¡¢¤Þ¤¿¡¢ read/write Ì䤤¹ç¤ï¤»¤Î¥í¡¼¥É¤¬¤è¤ê¹â®¤Ç¤¹¡£MySQL¤Ï¾¯¤Ê¤¤¥æ¡¼¥¶¤Ç¤Îñ½ã¤Ê SELECT Ì䤤¹ç¤ï¤»¤Ç¤Ï¹â®¤Ç¤¹¡£¤â¤Á¤í¤ó¡¢MySQL¤Ë¤Ï¾åµ¤Î<I>Features</I>¤ÎÀá¤Ë¼¨¤¹¤è¤¦¤Êµ¡Ç½¤Ï¤Û¤È¤ó¤É¤¢¤ê¤Þ¤»¤ó¡£²æ¡¹¤Ï¡¢PostgreSQL¤Ë½ÀÆðÀ¤Èµ¡Ç½À¤òÁȤ߹þ¤ß¤Ê¤¬¤é¤â¡¢À䤨¤ºÀǽ¤Î²þÁ±¤ò³¤±¤Æ¤¤¤Þ¤¹¡£ - </DD> + <p>PostgreSQL¤Ï³ÈÄ¥¤µ¤ì¤¿<small>SQL</small>-92¤Î¥µ¥Ö¥»¥Ã¥È¤ò¥µ¥Ý¡¼¥È + ¤·¤Þ¤¹¡£²æ¡¹¤Î¥Ú¡¼¥¸¤Î <A + href="http://www.PostgreSQL.org/docs/todo.html">TODO</a> ¥ê¥¹¥È¤Ë¡¢ + ´ûÃΤΥХ°¤ä·çÍǽ¤ä¾Íè·×²è¤Ë¤Ä¤¤¤Æ¤Îµ½Ò¤¬¤¢¤ê¤Þ¤¹¡£</p> - <DT> <B>¿®ÍêÀ(Reliability)</B></DT> - <DD> - ²æ¡¹¤Ï¡¢<SMALL>DBMS</SMALL>¤Î¿®ÍêÀ¤¬¹â¤¯¤Ê¤¯¤Æ¤Ï¤½¤Î²ÁÃͤ¬Ìµ¤¤¤³¤È¤òÍý²ò¤·¤Æ¤Þ¤¹¡£½½Ê¬¥Æ¥¹¥È¤·¤Æ¡¢°ÂÄꤷ¤¿¥³¡¼¥É¤ò¥Ð¥°¤òºÇ¾®¤Ë¤·¤Æ¤«¤é¥ê¥ê¡¼¥¹¤¹¤ë¤è¤¦¤ËÅØ¤á¤Æ¤Þ¤¹¡£¤½¤ì¤¾¤ì¤Î¥ê¥ê¡¼¥¹¤Ï¾¯¤Ê¤¯¤È¤â1¥«·î°Ê¾å¤Î¥Ù¡¼¥¿¡¦¥Æ¥¹¥È¤ò¹Ô¤Ê¤¤¡¢¤³¤ì¤Þ¤Ç¤Î¥ê¥ê¡¼¥¹¤ÎÍúÎò¤¬¡¢À½ÉÊÈǤȤ·¤Æ°ÂÄꤷ¤¿·ø¸Ç¤Ê¥ê¥ê¡¼¥¹¤Ç¤¢¤ë¤³¤È¤òʪ¸ì¤Ã¤Æ¤¤¤Þ¤¹¡£¤³¤ÎʬÌî¤Ç¤Ï¡¢Â¾¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÈÈæ¤Ù¤Æ¤â½¿§¤¬¤Ê¤¤¤³¤È¤Ë¼«¿®¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£<BR> - </DD> +<h4><a name="1.10">1.10</a>) <small>SQL</small> ¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡©</h4> - <DT> <B>¥µ¥Ý¡¼¥È(Support)</B></DT> - <DD> - ²æ¡¹¤Î¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ï¡¢Áø¶ø¤¹¤ë¤¤¤«¤Ê¤ëÌäÂê¤Ë¤Ä¤¤¤Æ¤â²ò·è¤Ø¤Î¼ê½õ¤±¤ò¤·¤Æ¤¯¤ì¤ë¡¢³«È¯¼Ô¤ä¥æ¡¼¥¶¤ÎÂ礤ʽ¸¤Þ¤ê¤Ø¤ÎÀÜÅÀ¤òÄ󶡤·¤Æ¤¤¤Þ¤¹¡£²æ¡¹¤ÏÌäÂê¤Î²ò·è¤òÊݾڤ¹¤ë¤³¤È¤Ï¤Ç¤¤Þ¤»¤ó¤¬¡¢¾¦Íѥǡ¼¥¿¥Ù¡¼¥¹¤Ç¤¢¤Ã¤Æ¤â¾ï¤Ë²ò·è¤µ¤ì¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£³«È¯¼Ô¤ä¡¢¥æ¡¼¥¶¡¦¥³¥ß¥å¥Ë¥Æ¥£¡¢¥Þ¥Ë¥å¥¢¥ëÎà¡¢¤½¤ì¤Ë¡¢¥½¡¼¥¹¥³¡¼¥É¤Ê¤É¤ØÄ¾ÀÜ¥¢¥¯¥»¥¹¤Ç¤¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢PostgreSQL¤Î¥µ¥Ý¡¼¥È¤Ï¡¢Â¾¤Î<SMALL>DBMS</SMALL>¥µ¥Ý¡¼¥È¤è¤ê¤âÍ¥¤ì¤¿¤â¤Î¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¸æÍ×˾¤ËÅú¤¨¤Æ¡¢»öÊÁËè¤Î¾¦ÍÑ¥µ¥Ý¡¼¥È¤Ê¤É¤â¤¢¤ê¤Þ¤¹¡Ê<A href="#1.6">FAQ1.6Àá</A>¤ò¤´Í÷²¼¤µ¤¤¡Ë¡£<BR> - </DD> + <p>¤Þ¤º¡¢ ¾åµ¤Ç½Ò¤Ù¤¿ PostgreSQL ¤Ë¤Ä¤¤¤Æ¤ÎËܤòÆÉ¤à¤³¤È¤ò¸¡Æ¤¤·¤Æ¤¯¤À¤µ¤¤¡£ + ¤â¤¦¤Ò¤È¤Ä¤Ï¡¢ "Teach Yourself SQL in 21 Days, Second Edition" + at <a href= + "http://members.tripod.com/er4ebus/sql/index.htm">http://members.tripod.com/er4ebus/sql/index.htm</a>¤Ç¤¹¡£ - <DT> <B>²Á³Ê(Price)</B></DT> - <DD> - PostgreSQL¤ÎÍøÍѤϡ¢¾¦ÍѤǤâÈó¾¦ÍѤǤ⡢¤¹¤Ù¤ÆÌµÎÁ¤Ç¤¹¡£¾åµ¤Ë¼¨¤·¤Æ¤¢¤ëBSD¥¹¥¿¥¤¥ë¤Î»ÈÍѵöÂú¤Ë³°¤ì¤Ê¤¤¸Â¤ê¡¢PostgreSQL¤Î¥³¡¼¥É¤òÀ©¸Â̵¤·¤Ç¾¦ÉʤËÁȤ߹þ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£<BR> - </DD> -</DL> + <p><i>The Practical SQL Handbook</i>, Bowman Judith S. et al., + Addison-Wesley ¤¬Â¿¤¯¤Î¥æ¡¼¥¶¤Ë¹¥É¾¤Ç¤¹¡£ ¤Û¤«¤Ç¤Ï¡¢<i>The Complete + Reference SQL</i >, Groff et al., McGraw-Hill ¤â¹¥É¾¤Ç¤¹¡£</p> -<H4><A name="1.15">1.15</A>) PostgreSQL¤ò»ñ¶âÌ̤DZç½õ¤¹¤ë¤Ë¤Ï¤É¤¦¤¹¤ì¤Ð¤è¤¤¤Ç¤¹¤«¡© -</H4> + <p>ÁÇÀ²¤é¤·¤¤¼ê°ú½ñ¤Ï¡¢<a href= + "http://www.intermedia.net/support/sql/sqltut.shtm">http://www.intermedia.net/support/sql/sqltut.shtm,</a> + <a href= + "http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM"> + http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM,</a> + ¤½¤·¤Æ¡¢<a href="http://sqlcourse.com/">http://sqlcourse.com</a> + ¤Ë¤¢¤ê¤Þ¤¹¡£</p> -<P>PostgreSQL¤Ï¡¢²æ¡¹¤¬»Ï¤á¤¿ 1996ǯ°ÊÍè¡¢ºÇ¹â¥¯¥é¥¹¤Î¾ðÊó´ðÈפò»ý¤Ã¤Æ¤¤ -¤Þ¤¹¡£¤³¤ì¤Ï¤¹¤Ù¤Æ¡¢Marc Fournie¤µ¤ó¤Î¤ª¤«¤²¤Ç¡¢Èà¤Ï¤³¤Î´ðÈפòÁϤê½Ð¤·¡¢²¿Ç¯¤Ë¤â¤ï¤¿¤Ã¤Æ´ÉÍý¤·¤Æ¤¤Þ¤·¤¿¡£</P> -<P>¼Á¤ÎÎɤ¤´ðÈפϡ¢¥ª¡¼¥×¥ó¥½¡¼¥¹¡¦¥×¥í¥¸¥§¥¯¥È¤Ë¤È¤Ã¤Æ¤Ï¤È¤Æ¤âÂçÀڤʤâ¤Î¤Ç¡¢¥×¥í¥¸¥§¥¯¥È¤¬Á°¿Ê¤¹¤ëÀª¤¤¤ò¼º¤Ã¤ÆÊ¬Îö¤¹¤ë¤Î¤ò²óÈò¤·¤Þ¤¹¡£</P> + <p> + <small><pre> + [ÌõÃí: + ÀаæÃ£É×»á¤Ë¤è¤ëÆüËܸì¤Î»²¹Íʸ¸¥¤Î¾Ò²ð¥Ú¡¼¥¸ + <a href="http://www.SRA.co.jp/people/t-ishii/PostgreSQL/doc-jp/index.html">http://www.SRA.co.jp/people/t-ishii/PostgreSQL/doc-jp/index.html</a> + ¤¬¤¢¤ê¤Þ¤¹¡£ + ¶áƣľʸ»á¤Î¡Ö½é¿´¼Ô¸þ¤Î£Ä£ÂÀ߷ׯþÌ硦£Ó£Ñ£ÌÆþÌ绲¹Í½ñ¾Ò²ð¡×¤Î¥³¡¼¥Ê¡¼ + <a href="http://www.shonan.ne.jp/~nkon/ipsql/books_SQL.html">http://www.shonan.ne.jp/~nkon/ipsql/books_SQL.html</a> + ¤¬¤¢¤ê¤Þ¤¹(¤ä¤ä¸Å¤¤2000ǯÈÇ)¡£ + ËÙÅÄÎѱѻá¤Î¡ÖPostgreSQLÆüËܸì¥Þ¥Ë¥å¥¢¥ë¡× + <a href="http://www.net-newbie.com/">http://www.net-newbie.com/</a> + ¤Ç¤Ï¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Î¸¡º÷¤¬¤Ç¤¤Þ¤¹¡£ + ´Ý»³ÉÔÆóÉ×»á¤ÎUNIX ¥Ç¡¼¥¿¥Ù¡¼¥¹ÆþÌç + <a href="http://www.wakhok.ac.jp/DB/DB.html">http://www.wakhok.ac.jp/DB/DB.html</a> + ¤â¥ª¥ó¥é¥¤¥ó¤ÇÆÉ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ + Nikkei BP IT Pro ¤Ë¤¢¤ëÀаæÃ£É×»á¤Î <a href="http://itpro.nikkeibp.co.jp/members/ITPro/oss/20050514/160833/">PostgreSQL ¥¦¥©¥Ã¥Á</a> + ¤Ç¤ÏËè²ó¿·¤·¤¤¾ðÊó¤ò¤È¤ê¤¢¤²¤Æ¤¤¤Þ¤¹¡£ + ] + </pre></small> + </p> + +<h4><a name="1.11">1.11</a>) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡©</h4> + + <p><a href="http://www.postgresql.org/docs/faqs.FAQ_DEV.html"> + ¡Ê³«È¯¼Ô¸þ¤±¤Î¡ËDeveloper's FAQ</a>¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£ + + +<h4><a name="1.12">1.12</a>) ¾¤Î<small>DBMS</small>¤ÈÈæ¤ÙPostgreSQL¤Ï¤É¤¦¤Ê¤Î¤Ç¤¹¤«¡©</h4> + + <p>¥½¥Õ¥È¥¦¥§¥¢¤ò·×¤ëÊýË¡¤Ë¤Ï¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£µ¡Ç½¤ÈÀǽ¤È¿®ÍêÀ¤È + ¥µ¥Ý¡¼¥È¤È²Á³Ê¤Ç¤¹¡£</p> + + <dl> + <dt> <b>µ¡Ç½(Features)</b></dt> + <dd> + PostgreSQL¤Ï¡¢¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¡¢¥µ¥Ö¥¯¥¨¥ê¡¢¥È¥ê¥¬¡¼¡¢¥Ó¥å¡¼¡¢³° + Éô¥¡¼À°¹çÀ»²¾È¡¢¤ª¤è¤Ó¡¢ÀöÎý¤µ¤ì¤¿¥í¥Ã¥¯µ¡¹½¤Ê¤É¡¢Â絬ÌϾ¦ÍÑ + <small>DBMS</small>¤¬»ý¤Äµ¡Ç½¤ò¤Û¤È¤ó¤É»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¤µ¤é¤Ë + PostgreSQL¤Ï¡¢¥æ¡¼¥¶ÄêµÁ·¿¡¢·Ñ¾µ¡¢¥ë¡¼¥ë¡¢¤½¤ì¤«¤é¡¢¥í¥Ã¥¯¶¥¹ç¤ò½Ì + ¾®¤¹¤ë¥Þ¥ë¥Á¥Ð¡¼¥¸¥ç¥óƱ»þÀÀ©¸æ¤Ê¤É¡¢¾¦ÍÑ<small>DBMS</small>¤â»ý + ¤Á¹ç¤ï¤»¤Ê¤¤¤è¤¦¤Êµ¡Ç½¤ò¤¤¤¯¤Ä¤«»ý¤Á¹ç¤ï¤»¤Æ¤¤¤Þ¤¹¡£<br /> + + </dd> + + <dt> <b>Àǽ(Performance)</b></dt> + <dd> + PostgreSQL¤Ï¾¤Î¾¦ÍѤ¢¤ë¤¤¤Ï¥ª¡¼¥×¥ó¥½¡¼¥¹¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤È¸ß³Ñ¤ÎÀ + ǽ¤â»ý¤Á¤Þ¤¹¡£¤¢¤ëÌ̤ǤϤè¤êÁᤫ¤Ã¤¿¤ê¡¢¤Û¤«¤ÎÌ̤ǤϤè¤êÃÙ¤«¤Ã¤¿¤ê + ¤·¤Þ¤¹¡£Â¾¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÈæ¤Ù¤¿Àǽ¤Ï¡¢¤Õ¤Ä¤¦ +/-10% ¤¯¤é¤¤¤Ç¤·¤ç¤¦¡£ + </dd> + + <dt> <b>¿®ÍêÀ(Reliability)</b></dt> + <dd> + ²æ¡¹¤Ï¡¢<small>DBMS</small>¤Î¿®ÍêÀ¤¬¹â¤¯¤Ê¤¯¤Æ¤Ï¤½¤Î²ÁÃͤ¬Ìµ¤¤¤³ + ¤È¤òÍý²ò¤·¤Æ¤Þ¤¹¡£½½Ê¬¥Æ¥¹¥È¤·¤Æ¡¢°ÂÄꤷ¤¿¥³¡¼¥É¤ò¥Ð¥°¤òºÇ¾®¤Ë¤·¤Æ + ¤«¤é¥ê¥ê¡¼¥¹¤¹¤ë¤è¤¦¤ËÅØ¤á¤Æ¤Þ¤¹¡£¤½¤ì¤¾¤ì¤Î¥ê¥ê¡¼¥¹¤Ï¾¯¤Ê¤¯¤È¤â1 + ¥«·î°Ê¾å¤Î¥Ù¡¼¥¿¡¦¥Æ¥¹¥È¤ò¹Ô¤Ê¤¤¡¢¤³¤ì¤Þ¤Ç¤Î¥ê¥ê¡¼¥¹¤ÎÍúÎò¤¬¡¢À½ÉÊ + ÈǤȤ·¤Æ°ÂÄꤷ¤¿·ø¸Ç¤Ê¥ê¥ê¡¼¥¹¤Ç¤¢¤ë¤³¤È¤òʪ¸ì¤Ã¤Æ¤¤¤Þ¤¹¡£¤³¤ÎʬÌî + ¤Ç¤Ï¡¢Â¾¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÈÈæ¤Ù¤Æ¤â½¿§¤¬¤Ê¤¤¤³¤È¤Ë¼«¿®¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£ + <br /> + </dd> + + <dt> <b>¥µ¥Ý¡¼¥È(Support)</b></dt> + <dd> + ²æ¡¹¤Î¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ï¡¢Áø¶ø¤¹¤ë¤¤¤«¤Ê¤ëÌäÂê¤Ë¤Ä¤¤¤Æ¤â²ò·è¤Ø¤Î¼ê + ½õ¤±¤ò¤·¤Æ¤¯¤ì¤ë¡¢³«È¯¼Ô¤ä¥æ¡¼¥¶¤ÎÂ礤ʽ¸¤Þ¤ê¤Ø¤ÎÀÜÅÀ¤òÄ󶡤·¤Æ¤¤ + ¤Þ¤¹¡£²æ¡¹¤ÏÌäÂê¤Î²ò·è¤òÊݾڤ¹¤ë¤³¤È¤Ï¤Ç¤¤Þ¤»¤ó¤¬¡¢¾¦Íѥǡ¼¥¿¥Ù¡¼ + ¥¹¤Ç¤¢¤Ã¤Æ¤â¾ï¤Ë²ò·è¤µ¤ì¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£³«È¯¼Ô¤ä¡¢¥æ¡¼¥¶¡¦¥³ + ¥ß¥å¥Ë¥Æ¥£¡¢¥Þ¥Ë¥å¥¢¥ëÎà¡¢¤½¤ì¤Ë¡¢¥½¡¼¥¹¥³¡¼¥É¤Ê¤É¤ØÄ¾ÀÜ¥¢¥¯¥»¥¹¤Ç + ¤¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢PostgreSQL¤Î¥µ¥Ý¡¼¥È¤Ï¡¢Â¾¤Î<small>DBMS</small> + ¥µ¥Ý¡¼¥È¤è¤ê¤âÍ¥¤ì¤¿¤â¤Î¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¸æÍ×˾¤ËÅú¤¨¤Æ¡¢»öÊÁËè¤Î¾¦ + ÍÑ¥µ¥Ý¡¼¥È¤Ê¤É¤â¤¢¤ê¤Þ¤¹¡Ê<a href="#1.5">FAQ1.5Àá</a>¤ò¤´¤é¤ó¤¯¤À + ¤µ¤¤¡Ë¡£ + <br /> + </dd> + + <dt> <b>²Á³Ê(Price)</b></dt> + <dd> + PostgreSQL¤ÎÍøÍѤϡ¢¾¦ÍѤǤâÈó¾¦ÍѤǤ⡢¤¹¤Ù¤ÆÌµÎÁ¤Ç¤¹¡£¾åµ¤Ë¼¨¤· + ¤Æ¤¢¤ëBSD¥¹¥¿¥¤¥ë¤Î»ÈÍѵöÂú¤Ë³°¤ì¤Ê¤¤¸Â¤ê¡¢PostgreSQL¤Î¥³¡¼¥É¤òÀ© + ¸Â̵¤·¤Ç¾¦ÉʤËÁȤ߹þ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£<br /> + </dd> + </dl> + </p> + +<h4><a name="1.13">1.13</a>) 郎 PostgreSQL ¤ò¥³¥ó¥È¥í¡¼¥ë¤·¤Þ¤¹¤«¡©</h4> + + <p>PostgreSQL¤ÎÌçÈÖ¡¢Ãæ±û°Ñ°÷²ñ¡¢¤¢¤ë¤¤¤Ï¡¢¥³¥ó¥È¥í¡¼¥ë¤ò¤¹¤ë²ñ¼Ò¤ò + õ¤½¤¦¤È¤·¤Æ¤â¡¢Äü¤á¤¶¤ë¤ò¤¨¤º ---- ¸ºß¤·¤Ê¤¤¤Î¤Ç¤¹¡£²æ¡¹¤Ï¡¢Ãæ¿´ + ¤È¤Ê¤ë¥³¥ß¥Ã¥Æ¥£¤ÈCVS¥³¥ß¥Ã¥¿¤ò»ý¤Á¤Þ¤¹¤¬¡¢¤³¤ì¤é¤Î¥°¥ë¡¼¥×¤Ï¥³¥ó + ¥È¥í¡¼¥ë¤¹¤ë¤¿¤á¤È¤¤¤¦¤è¤ê¤â¡¢´ÉÍý¾å¤Î¤â¤Î¤Ç¤¹¡£¤³¤³¤Ç¤Ï¡¢¥×¥í¥¸¥§ + ¥¯¥È¤Ï¡¢¤À¤ì¤Ç¤â»²²Ã¤¬¤Ç¤¤ë³«È¯¼Ô¤È¥æ¡¼¥¶¤Î¥³¥ß¥å¥Ë¥Æ¥£¤Ë¤è¤êÊý¸þ + ÉÕ¤±¤é¤ì¤Þ¤¹¡£ÆÉ¼Ô¤¬¤ä¤é¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤³¤È¤Ï¡¢¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤ò + ¥µ¥Ö¥¹¥¯¥é¥¤¥Ö¤·¤Æ¡¢µÄÏÀ¤Ë »²²Ã¤¹¤ë¤³¤È¤Ç¤¹¡£¡Ê<a + href="http://www.postgresql.org/docs/faqs.FAQ_DEV.html">Developer's + FAQ</a>¤Ë¤Ï¡¢PostgreSQL³«È¯¤Ë²Ã¤ï¤êÊý¤Ë¤Ä¤¤¤Æ¤Î¾ðÊ󤬤¢¤ê¤Þ¤¹¡£¡Ë</p> + + +<hr /> + +<h2 align="center">¥æ¡¼¥¶¡¼¡¦¥¯¥é¥¤¥¢¥ó¥È¤Î¼ÁÌä</h2> + + +<h4><a name="2.1">2.1</a>) PostgreSQL ¤Ë¤Ï¤É¤ó¤Ê¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤¬»È¤¨¤Þ¤¹¤«¡©</h4> + + <p>PostgreSQL ¤Î¥¤¥ó¥¹¥È¡¼¥ë¤Ë´Þ¤Þ¤ì¤ëʪ¤Ï<small>C</small>¤ÈÁȹþ¤ß + <small>C</small>¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤À¤±¤Ç¤¹¡£¤½¤Î¾¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹ + ¤ÏÆÈΩ¤·¤¿¥×¥í¥¸¥§¥¯¥È¤Ç¡¢ÊÌ¡¹¤Ë¥À¥¦¥ó¥í¡¼¥É¤µ¤ì¤Þ¤¹¡£Ê¬¤«¤ì¤ë¤³¤È¤Ç¡¢ + ¤½¤ì¤¾¤ì¤Î³«È¯¥Á¡¼¥à¤¬ÆÈ¼«¤Î¥ê¥ê¡¼¥¹¥¹¥±¥¸¥å¡¼¥ë¤ò»ý¤Ä¤³¤È¤¬µö¤µ¤ì¤Þ + ¤¹¡£</p> + + <p><small>PHP</small> ¤Î¤è¤¦¤Ê¤¤¤¯¤Ä¤«¤Î¥×¥í¥°¥é¥ß¥ó¥°¸À¸ì¤Ï¡¢ + PostgreSQL¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤ò´Þ¤ó¤Ç¤¤¤Þ¤¹¡£Perl, <small>TCL</small>, + Python, ¤½¤·¤Æ¡¢¤½¤Î¤Û¤«¤ÎÍøÍѲÄǽ¤Ê¸À¸ì¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤Ï¡¢ + <a href="http://gborg.postgresql.org">http://gborg.postgresql.org</a> + ¤Î <i>Drivers/Interfaces</i> ¤ÎÀá¤ÎÃæ¤È¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Î¸¡º÷¤Ç¤ß¤Ä¤± + ¤é¤ì¤Þ¤¹¡£ + </p> + + +<h4><a name="2.2">2.2</a>) PostgreSQL ¤ò Web ¥Ú¡¼¥¸¤ÈÏ¢·È¤µ¤»¤ë¤Ë¤Ï¤É¤ó¤Ê¥Ä¡¼¥ë¤¬¤¢¤ê¤Þ¤¹¤«¡©</h4> + + <p> ¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò΢¤Ë»ý¤Ä Web ¥Ú¡¼¥¸¤Ë¤Ä¤¤¤Æ¤ÎÁÇÀ²¤é¤·¤¤¾Ò²ð¤¬¡¢<br /> + <a href="http://www.webreview.com">http://www.webreview.com</a>¤Ë¤¢¤ê¤Þ¤¹¡£</p> + <p> Web ¤Ø¤Î³ÈÄ¥¤Î¤¿¤á¤Ë¤Ï¡¢PHP(<a href="http://www.php.net">http://www.php.net/</a>) + ¤¬Âî±Û¤·¤¿¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£</p> + + <small><pre> + [ÌõÃí: + PHP¤Ë´Ø¤¹¤ëÆüËܸì¤Î¾ðÊó¤Ï¡¢2000ǯ4·î19Æü¤Ëȯ¤·¤¿ÆüËÜPHP¥æ¡¼¥¶²ñ¤Î¥µ¥¤¥È + <a href="http://www.php.gr.jp/">http://www.php.gr.jp/</a> + ¤¢¤ë¤¤¤Ï¡¢×¢Àî Îव¤ó¤Î¥µ¥¤¥È + <a href="http://www.geocities.jp/rui_hirokawa/php/">http://www.geocities.jp/rui_hirokawa/php/</a> + ¤Ë¤«¤Ê¤ê¤Þ¤È¤á¤é¤ì¤Æ¤¤¤Þ¤¹¡£ + ] + </pre></small> -<P>¤â¤Á¤í¤ó¡¢¤³¤Î´ðÈפϰ¤¤¤â¤Î¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£°Ý»ý¤·Â³¤±¤ë¤¿¤á¤Ë¤ÏËè·î¤¢¤ë¤¤¤Ï°ì»þŪ¤Ë·ÐÈñ¤¬¤«¤«¤ê¤Þ¤¹¡£¤â¤·¡¢¤¢¤Ê¤¿¤ä¤¢¤Ê¤¿¤Î²ñ¼Ò¤Ë¡¢¤³¤¦¤·¤¿ÅØÎϤΤ¿¤á¤Î»ñ¶â¤Î±ç½õ¤ò»Ü¤¹¤³¤È¤¬¤Ç¤¤ë¤è¤¦¤Ç¤·¤¿¤é¡¢<A href="http://store.pgsql.com/shopping/">http://store.pgsql.com/shopping/</A>¤«¤é´óÉÕ¤ò¤ª´ê¤¤¤·¤Þ¤¹¡£ -</P> + <p> ½èÍý¤¬Ê£»¨¤Ê¾ì¹ç¡¢Â¿¤¯¤Î¿Í¤Ï Perl ¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤È CGI.pm ¤« + mod_perl ¤ò»È¤¤¤Þ¤¹¡£ </p> -<P>¤Þ¤¿¡¢Web¥Ú¡¼¥¸¤Ë¤Ï PostgreSQL,Inc ¤È¤¢¤ê¤Þ¤¹¤¬¡¢¤½¤³¤Î "¹×¸¥(contributions)"¤È¤¤¤¦¹àÌܤϡ¢ PostgreSQL ¥×¥í¥¸¥§¥¯¥È¤ò»Ù±ç¤¹¤ë¤À¤±¤Î¤¿¤á¤Ç¡¢·è¤·¤ÆÆÃÄê¤Î²ñ¼Ò¤Î¤¿¤á¤Î»ñ¶â¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£¤â¤·¡¢¾®ÀÚ¼ê(check)¤ÎÊý¤¬ÅÔ¹ç¤è¤±¤ì¤ÐÏ¢ÍíÀè¤Î½»½ê¤Ø¤ªÁ÷¤ê²¼¤µ¤¤¡£</P> -<P>¤µ¤é¤Ë¡¢PostgreSQL¤ò»È¤Ã¤¿À®¸ù»öÎã¤ò¤ª»ý¤Á¤Ç¤¢¤ì¤Ð¡¢¤¼¤Ò¡¢¤ï¤ì¤ï¤ì¤Î -»öÎã¾Ò²ð¥ê¥¹¥È<a href= - "mailto:pgsql-advocacy@postgresql.org"> - pgsql-advocacy@postgresql.org</a> -¤Ø¤ªÁ÷¤ê¤¯¤À¤µ¤¤¡£ -</P> +<h4><a name="2.3">2.3</a>) PostgreSQL ¤Ë¥°¥é¥Õ¥£¥«¥ë¡¦¥æ¡¼¥¶¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï¤¢¤ê¤Þ¤¹¤«¡©</h4> -<HR> -<H2 align="center">¥æ¡¼¥¶¡¼¡¦¥¯¥é¥¤¥¢¥ó¥È¤Î¼ÁÌä</H2> -<H4><A NAME="2.1">2.1</A>) PostgreSQL ¤Î¤¿¤á¤Î <SMALL>ODBC</SMALL> ¥É¥é¥¤¥Ð¡¼¤Ï¤¢¤ê¤Þ¤¹¤«¡© -</H4> + <p>¤â¤Á¤í¤ó¡¢¤¢¤ê¤Þ¤¹¡£ + ¾ÜºÙ¤Ï¡¢<a href="http://techdocs.postgresql.org/guides/GUITools">http://techdocs.postgresql.org/guides/GUITools</a> + ¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£</p> -<P> PsqlODBC ¤È OpenLink <SMALL>ODBC</SMALL> ¤ÎÆó¤Ä¤Î <SMALL>ODBC</SMALL> ¥É¥é¥¤¥Ð¡¼¤¬ÍøÍѲÄǽ¤Ç¤¹¡£</P> -<P> PsqlODBC ¤Ï¼¡¤Î¾ì½ê¤«¤é¥À¥¦¥ó¥í¡¼¥É¤Ç¤¤Þ¤¹¡£ -<A href= - "http://gborg.postgresql.org/project/psqlodbc/projdisplay.php"> - http://gborg.postgresql.org/project/psqlodbc/projdisplay.php</A> -</P> +<hr /> -<P> OpenLink <SMALL>ODBC</SMALL> ¤Ï <A HREF="http://www.openlinksw.com/">http://www.openlinksw.com/</A>¤«¤éÆþ¼ê¤Ç¤¤Þ¤¹¡£É¸½àŪ¤Ê <SMALL>ODBC</SMALL> ¥¯¥é¥¤¥¢¥ó¥È¡¦¥½¥Õ¥È¥¦¥§¥¢¤Ç»È¤¨¤Þ¤¹¤Î¤Ç¡¢»Ù±ç¤·¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥×¥é¥Ã¥È¥Û¡¼¥à(Win, Mac, Unix, VMS)¤«¤é PostgreSQL ¤Î <SMALL>ODBC</SMALL> ¤¬ÍøÍѤǤ¤Þ¤¹¡£ -</P> +<h2 align="center">´ÉÍý¾å¤Î¼ÁÌä</h2> -<P> ¤¿¤Ö¤óÈà¤é¤Ï¡¢¾¦ÍÑÉʼÁ¤Î¥µ¥Ý¡¼¥È¤ÎɬÍפʿ͡¹¤ËÇä¤Ã¤Æ¤¤¤ë¤È»×¤¤¤Þ¤¹¤¬¡¢ - ¥Õ¥ê¡¼¥¦¥§¥¢ÈǤϤ¤¤Ä¤Ç¤âÆþ¼ê²Äǽ¤Î¤è¤¦¤Ç¤¹¡£¼ÁÌä¤Ï¡¢<A href= - "mailto:postgres95@openlink.co.uk">postgres95@openlink.co.uk</A> - ¤ØÁ÷¤Ã¤Æ²¼¤µ¤¤¡£</P> -<P> -<A HREF="http://www.PostgreSQL.org/docs/programmer/odbc.html"> -Programmer's Guide</A> -¤Î <SMALL>ODBC</SMALL> ¤Î¾Ï¤â¤´Í÷¤¯¤À¤µ¤¤¡£ -</P> +<h4><a name="3.1">3.1</a>) ¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð <i>/usr/local/pgsql</i> °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤¤Þ¤¹¤«¡©</h4> -<H4><A NAME="2.2">2.2</A>) PostgreSQL ¤ò Web ¥Ú¡¼¥¸¤ÈÏ¢·È¤µ¤»¤ë¤Ë¤Ï¤É¤ó¤Ê¥Ä¡¼¥ë¤¬¤¢¤ê¤Þ¤¹¤«¡© -</H4> + <p> ´Êñ¤ÊÊýË¡¤Ï¡¢ <i>configure</i> ¤òÁö¤é¤»¤ë¤È¤¤Ë --prefix ¥ª¥×¥·¥ç + ¥ó¤ò»ØÄꤹ¤ë¤³¤È¤Ç¤¹¡£ </p> -<P> ¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò΢¤Ë»ý¤Ä Web ¥Ú¡¼¥¸¤Ë¤Ä¤¤¤Æ¤ÎÁÇÀ²¤é¤·¤¤¾Ò²ð¤¬¡¢<BR> - <A href="http://www.webreview.com">http://www.webreview.com</A>¤Ë¤¢¤ê¤Þ¤¹¡£</P> -<P> Web ¤Ø¤Î³ÈÄ¥¤Î¤¿¤á¤Ë¤Ï¡¢PHP ¤¬Âî±Û¤·¤¿¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£<A HREF="http://www.php.net">http://www.php.net/</A>¤Ë¤¢¤ê¤Þ¤¹¡£ -</P> -<PRE> - [ÌõÃí: - PHP¤Ë´Ø¤¹¤ëÆüËܸì¤Î¾ðÊó¤Ï¡¢2000ǯ4·î19Æü¤Ëȯ¤·¤¿ÆüËÜPHP¥æ¡¼¥¶²ñ¤Î¥µ¥¤¥È - <A HREF="http://www.php.gr.jp/">http://www.php.gr.jp/</A> - ¤¢¤ë¤¤¤Ï¡¢×¢Àî Îव¤ó¤Î¥µ¥¤¥È - <A HREF="http://www.geocities.jp/rui_hirokawa/php/">http://www.geocities.jp/rui_hirokawa/php/</A> - ¤Ë¤«¤Ê¤ê¤Þ¤È¤á¤é¤ì¤Æ¤¤¤Þ¤¹¡£ - ] -</PRE> +<h4><a name="3.2">3.2</a>) ¾¤Î¥Û¥¹¥È¤«¤é¤ÎÀܳ¤Ï¤É¤Î¤è¤¦¤ËÀ©¸æ¤·¤Þ¤¹¤«¡©</h4> -<P> ½èÍý¤¬Ê£»¨¤Ê¾ì¹ç¡¢Â¿¤¯¤Î¿Í¤Ï Perl ¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤È CGI.pm ¤« mod_perl ¤ò»È¤¤¤Þ¤¹¡£ -</P> + <p>´ûÄêÃͤǤϡ¢PostgreSQL ¤Ï Unix ¥É¥á¥¤¥ó¥½¥±¥Ã¥È¡¢¤Þ¤¿¤Ï¡¢TCP/IPÀÜ + ³¤Î¥í¡¼¥«¥ë¥Þ¥·¥ó¤«¤é¤ÎÀܳ¤·¤«µö¤·¤Þ¤»¤ó¡£postgresql.conf ¤ÎÃæ¤Î + listen_addresses ¤ò½¤Àµ¤·¡¢<b>¤«¤Ä</b>¡¢<i>$PGDATA/pg_hba.conf</i> + ¥Õ¥¡¥¤¥ë¤òŬÀڤ˾¤·¤Æ¡¢¥Û¥¹¥È¼çƳ·¿Ç§¾Ú¤ò͸ú¤Ë¤·¤Ê¤¤¤«¤®¤ê¤Ï¡¢Â¾ + ¤Î¥Þ¥·¥ó¤«¤é¤ÏÀܳ¤Ç¤¤Ê¤¤¤Ç¤·¤ç¤¦¡£</p> -<PRE> - [ÌõÃí: - WDB ¤Ï¡¢Web ¤«¤é DataBase ¤Ø¤Î Perl ¤Î Interface ¤Ç¤¹¡£ - wdb-p95 ¤Ø¤Î¥ê¥ó¥¯¤ÏÀÚ¤ì¤Æ¤·¤Þ¤Ã¤Æ¤¤¤Þ¤¹¡£¤ª¤½¤é¤¯¡¢Perl DBI ·Ðͳ¤Ç DBD::Pg ¤ÎÍøÍѤ¬²Äǽ¤È»×¤ï¤ì¤Þ¤¹¡£ - ¸½ºß¡¢WDBI ¤È¤¤¤¦Ì¾Á°¤Ë¤Ê¤Ã¤Æ¤¤¤ë¤â¤Î - <A HREF="http://www.egroups.com/list/wdb-users/">http://www.egroups.com/list/wdb-users/</A> - ¤È¡¢WDB¤Î̾Á°¤Î¤Þ¤Þ¤Î¤â¤Î - <A HREF="http://www.i-con.dk/wdb/">http://www.i-con.dk/wdb/</A> - ¤È¤¬¤¢¤ê¤Þ¤¹¡£¤½¤Î·Ð°Þ¤Ï¤è¤¯¤ï¤«¤ê¤Þ¤»¤ó¡£ - ] -</PRE> - -<H4><A NAME="2.3">2.3</A>) PostgreSQL ¤Ë¥°¥é¥Õ¥£¥«¥ë¡¦¥æ¡¼¥¶¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï¤¢¤ê¤Þ¤¹¤«¡© -</H4> - <p>¤â¤Á¤í¤ó¡¢PostgreSQL ¤Ø¤Î¥°¥é¥Õ¥£¥«¥ë¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤¬¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£ -¤½¤ÎÃæ¤ËPgAccess <a - href="http://www.pgaccess.org">http://www.pgaccess.org</a> -¤â´Þ¤Þ¤ì¤Þ¤¹¡£ -PgAdmin III (<a - href="http://www.pgadmin.org">http://www.pgadmin.org</a>)¤â¤¢¤ê¤Þ¤¹¡£ -RHDB Admin (<a - href="http://sources.redhat.com/rhdb/">http://sources.redhat.com/rhdb/ -</a>)¡¢TORA (<a - href="http://www.globecom.net/tora/">http://www.globecom.net/tora/ - (ÉôʬŪ¤Ë¾¦ÍÑ)</a>) -¤ª¤è¤Ó¡¢ Rekall (<a href="http://www.thekompany.com/products/rekall/"> - http://www.thekompany.com/products/rekall/</a>, proprietary)¤â¤¢¤ê¤Þ -¤¹¡£ -PhpPgAdmin (<a href="http://phppgadmin.sourceforge.net/"> - http://phppgadmin.sourceforge.net/ </a>) ¤ÏPostgreSQL¤Ø¤ÎWeb¥Ù¡¼¥¹¤Î -¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤òÄ󶡤·¤Þ¤¹¡£ -</P> - -<P>¤è¤ê¾ÜºÙ¤Ê¥ê¥¹¥È¤Ë¤Ä¤¤¤Æ¤Ï¡¢<a - href="http://techdocs.postgresql.org/guides/GUITools">http://techdocs.postgresql.org/guides/GUITools</a> - ¤ò¤´Í÷¤¯¤À¤µ¤¤¡£</P> - -<H4><A NAME="2.4">2.4</A>) ¤É¤Î¤è¤¦¤Ê¸À¸ì¤Ç PostgreSQL ¤ÈÄÌ¿®¤Ç¤¤¹¤«¡© -</H4> - -<P>¿Íµ¤¤Î¤¢¤ë¤Û¤È¤ó¤É¤Î¸À¸ì¤ÏPostgreSQL¤Ø¤Î¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£ -¤¢¤Ê¤¿¤¬»È¤¦¥×¥í¥°¥é¥ß¥ó¥°¸À¸ì¤Î³ÈÄ¥¥â¥¸¥å¡¼¥ë¤Î¥ê¥¹¥È¤òÇÁ¤¤¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£ -</P> - -<P>°Ê²¼¤Î¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤ÏPostgreSQL¤ÎÇÛÉÛ¤Ë´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£ -</P> - -<UL> -<LI>C (libpq)</LI> -<LI>Ëä¤á¹þ¤ßC (ecpg)</LI> -<LI>Java (jdbc)</LI> -<LI>Python (<A HREF="http://www.druid.net/pygresql/">PyGreSQL</A>)</LI> -<LI>TCL (libpgtcl)</LI> -</UL> - <P>¤½¤Î¾¤ÎÍøÍѲÄǽ¤Ê¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤Ï -<a href="http://gborg.postgresql.org">http://gborg.postgresql.org</A> -¤Î<I>Drivers/Interfaces</I>¤Î¥»¥¯¥·¥ç¥ó¤Ë¤¢¤ê¤Þ¤¹¡£ - </P> - -<PRE> - [ÌõÃí¡§ - ±Ê°Â¸ç»Ë¤µ¤ó¤Ï Palm ÈǤΠlibpq ¤ò³«È¯¤µ¤ì¤Þ¤·¤¿¡£ - <a href="http://www.snaga.org/libpq/">http://www.snaga.org/libpq/</a> - ] -</PRE> -<HR> -<H2 align="center">´ÉÍý¾å¤Î¼ÁÌä</H2> +<h4><a name="3.3">3.3</a>) ¤è¤êÎɤ¤Àǽ¤òÆÀ¤ë¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥¨¥ó¥¸¥ó¤ò¤É¤Î¤è¤¦¤ËÄ´À°¤·¤Þ¤¹¤«¡©</h4> + + <p>Àǽ²þÁ±¤Î²ÄǽÀ¤Î¤¢¤ê¤½¤¦¤Ê¼ç¤ÊÎΰ褬3¤Ä¤¢¤ê¤Þ¤¹¡§</p> + <dl> + <dt><b>¥¯¥¨¥ê¤ÎÊѹ¹</b></dt> + + <dd>¥¯¥¨¥ê¤ò½¤Àµ¤·¤Æ¤è¤êÎɤ¤Àǽ¤òÆÀ¤ë¤³¤È¤ò´Þ¤ß¤Þ¤¹¡§ + <ul> + <li>¼°¤ª¤è¤ÓÉôʬ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò´Þ¤à¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºîÀ®</li> + <li>Ê£¿ô¤Î<small>INSERT</small>¤Î¤«¤ï¤ê¤ËCOPY¤ò»ÈÍÑ</li> + <li>Ê£¿ô¤Îʸ¤ò¥°¥ë¡¼¥×²½¤·¡¢1¤Ä¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Ë¤·¤Æ¥³¥ß¥Ã¥È¤Î¥ª¡¼¥Ð¥Ø¥Ã¥É¤òºï¸º</li> + <li>¥¤¥ó¥Ç¥Ã¥¯¥¹¤«¤é¤«¤éÂô»³¤Î¥í¥¦¤ò¼è¤ê½Ð¤¹¤È¤¤Ï<small>CLUSTER</small>¤ò»ÈÍÑ</li> + <li>¥¯¥¨¥ê¤Î½ÐÎϤΥµ¥Ö¥»¥Ã¥È¤òÊÖ¤¹¤¿¤á¤Ë<small>LIMIT</small>¤ò»ÈÍÑ</li> + <li>½àÈ÷¤µ¤ì¤Æ¤¤¤ë¥¯¥¨¥ê¤ò»ÈÍÑ</li> + <li>¥ª¥×¥Æ¥£¥Þ¥¤¥¶¤ÎÀµ³Î¤ÊÅý·×¤ò°Ý»ý¤¹¤ë¤¿¤á¤Ë<small>ANALYZE</small>¤ò»ÈÍÑ</li> + <li><small>VACUUM</small> ¤Þ¤¿¤Ï <i>pg_autovacuum</i> ¤Î¾ïÍÑ</li> + <li>Â礤ʥǡ¼¥¿Êѹ¹¤Î¤¢¤ë¤È¤¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºï½ü</li> + </ul><br/> + <br/> + </dd> + + <dt><b>¥µ¡¼¥Ð¹½À®</b></dt> + + <dd><i>postgresql.conf</i>¤ÎÀßÄê¤Î¤¤¤¯¤Ä¤«¤ÏÀǽ¤Ë±Æ¶Á¤·¤Þ¤¹¡£ + ¾Ü¤·¤¯¤Ï¡¢<a href= + "http://www.postgresql.org/docs/current/static/runtime.html"> + Administration Guide/Server Run-time Environment/Run-time + Configuration</a> ¤ÎÁ´·ï¥ê¥¹¥È¤´¤é¤ó¤¯¤À¤µ¤¤(<a + href="http://www.postgresql.jp/document/pg803doc/html/runtime.html"> + JPUG¥µ¥¤¥È¤ÎÆüËܸìÈÇ</a>)¡£ + ¤½¤·¤Æ¡¢²òÀâ¤È¤·¤Æ¡¢<a + href="http://www.varlena.com/varlena/GeneralBits/Tidbits/annotated_conf_e.html"> + http://www.varlena.com/varlena/GeneralBits/Tidbits/annotated_conf_e.html</a> + ¤ª¤è¤Ó¡¢ <a href="http://www.varlena.com/varlena/GeneralBits/Tidbits/perf.html"> + http://www.varlena.com/varlena/GeneralBits/Tidbits/perf.html</a> ¤ò + ¤´¤é¤ó¤¯¤À¤µ¤¤¡£ + <br/> + <br/> + </dd> + + <dt><b>¥Ï¡¼¥É¥¦¥§¥¢¤ÎÁªÄê</b></dt> + + <dd>Àǽ¤Ë¤ª¤±¤ë¥Ï¡¼¥É¥¦¥§¥¢¤Î±Æ¶Á¤Ï <a + href="http://candle.pha.pa.us/main/writings/pgsql/hw_performance/index.html"> + http://candle.pha.pa.us/main/writings/pgsql/hw_performance/index.html</a> + (<a href="http://www.postgresql.jp/wg/psqltrans/hw_performance_j/index.html">JPUG¥µ¥¤¥È¤ÎÆüËܸìÈÇ</a>) + ¤È <a href="http://www.powerpostgresql.com/PerfList/"> + http://www.powerpostgresql.com/PerfList/</a> ¤Ë½Ò¤Ù¤é¤ì¤Æ¤¤¤Þ¤¹¡£ + <br/> + <br/> + </dd> + </dl> + +<h4><a name="3.4">3.4</a>) ¤É¤Î¤è¤¦¤Ê¥Ç¥Ð¥°µ¡Ç½¤¬»È¤¨¤Þ¤¹¤«¡©</h4> + + <p>¥µ¡¼¥Ð¹½À®ÊÑ¿ô¤Ë¤Ï¿¤¯¤Î <code>log_*</code> ¤¬¤¢¤ê¡¢¥¯¥¨¥ê¤È¥×¥í + ¥»¥¹¤ÎÅý·×¤ò½ÐÎϤ¹¤ë¤³¤È¤¬¤Ç¤¡¢¥Ç¥Ð¥°¤ÈÀǽ·×¬¤Ë¤È¤Æ¤âÊØÍø¤Ç¤¹¡£</p> + +<h4><a name="3.5">3.5</a>) Àܳ¤·¤è¤¦¤È¤¹¤ë¤È¤¤Ë <i>'Sorry, too many clients'</i> ¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©</h4> + + <p> ´ûÄê¤Ç¤ÎÀ©¸Â¤Ç¤¢¤ë 100 ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¥»¥Ã¥·¥ç¥ó¤Ë㤷¤Æ¤·¤Þ¤Ã¤Æ + ¤¤¤Þ¤¹¡£<i>postmaster¤¬</i>Ʊ»þÀܳ¤Ç¤¤ë¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤ÎÀ©¸Â + ¿ô¤òÁý¤ä¤¹É¬Íפ¬¤¢¤ê¤Þ¤¹¡£<i>postgresql.conf</i> ¤ÎÃæ¤Î + <i>max_connections</i> ¤ÎÃͤòÊѹ¹¤·¤Æ <i>postmaster</i>¤òºÆµ¯Æ°¤¹¤ë + ¤³¤È¤Ç²Äǽ¤Ë¤Ê¤ê¤Þ¤¹¡£</p> + +<h4><a name="3.6">3.6</a>) PostgreSQL¤Î¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¥¢¥Ã¥×¥Ç¡¼¥È¤¹¤ë¤Î¤Ë¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ò¤·¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©</h4> + + <p>PostgreSQL¥Á¡¼¥à¤Ï¥Þ¥¤¥Ê¡¼¥ê¥ê¡¼¥¹¤Ç¤Ï¾®¤µ¤ÊÊѹ¹¤·¤«¹Ô¤Ê¤¤¤Þ¤»¤ó + ¤Î¤Ç¡¢7.4.0 ¤«¤é 7.4.1 ¤Ø¤Î¥¢¥Ã¥×¥°¥ì¡¼¥É¤Ë¤Ï¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ÎɬÍ×¤Ï + ¤¢¤ê¤Þ¤»¤ó¡£¤·¤«¤·¡¢¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹(¤¿¤È¤¨¤Ð¡¢7.2¤«¤é7.3¤Ø¤Î¤è¤¦¤Ê) + ¤Ç¤Ï¡¢¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤ä¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎÆâÉô¥Õ¥©¡¼¥Þ¥Ã¥È¤ÎÊѹ¹¤ò¤·¤Ð + ¤·¤Ð¹Ô¤Ê¤¤¤Þ¤¹¡£¤³¤ì¤é¤ÎÊѹ¹¤Ï¤¿¤¤¤Æ¤¤Ê£»¨¤Ç¡¢¤½¤Î¤¿¤á²æ¡¹¤Ï¥Ç¡¼¥¿¥Õ¥¡ + ¥¤¥ë¤Î¤¿¤á¤Î¸åÊý¸ß´¹À¤ò°Ý»ý¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤»¤ó¡£¥À¥ó¥×¤ÏÈÆÍÑ¥Õ¥©¡¼ + ¥Þ¥Ã¥È¤Ç¥Ç¡¼¥¿¤ò½ÐÎϤ·¡¢¤½¤ì¤ò¿·¤·¤¤ÆâÉô¥Õ¥©¡¼¥Þ¥Ã¥È¤ËÆÉ¤ß¹þ¤à¤³¤È¤¬ + ¤Ç¤¤Þ¤¹¡£</p> + +<h4><a name="3.7">3.7</a>) ¥Ï¡¼¥É¥¦¥§¥¢¤Ë¤Ï¤É¤ó¤Ê¥³¥ó¥Ô¥å¡¼¥¿¤ò»È¤¨¤Ð¤è¤¤¤Ç¤¹¤«¡©</h4> + + <p>PC¥Ï¡¼¥É¥¦¥§¥¢¤Ï¤Û¤È¤ó¤É¸ß´¹À¤¬¤¢¤ê¤Þ¤¹¤Î¤Ç¡¢¤Û¤È¤ó¤É¤Î¿Í¤Ï¡¢¤¹ + ¤Ù¤Æ¤ÎPC¥Ï¡¼¥É¥¦¥§¥¢¤¬Æ±¤¸ÉʼÁ¤À¤È»×¤¤¹þ¤à·¹¸þ¤¬¤¢¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤½ + ¤ì¤Ï´Ö°ã¤¤¤Ç¤¹¡£ECC RAM¡¢SCSI¡¢¤ª¤è¤Ó¡¢¹âÉʼÁ¥Þ¥¶¡¼¥Ü¡¼¥É¤Ï¡¢°Â¤¤¥Ï¡¼ + ¥É¥¦¥§¥¢¤ËÈæ¤Ù¤ë¤È¡¢¤è¤ê¿®ÍêÀ¤¬¹â¤¯¡¢¤è¤êÀǽ¤âÎɤ¤¤Î¤Ç¤¹¡£ + PostgreSQL ¤Ï¤Û¤È¤ó¤É¤Î¥Ï¡¼¥É¥¦¥§¥¢¤Ç²ÔƯ¤·¤Þ¤¹¤¬¡¢¿®ÍêÀ¤äÀǽ¤¬½Å + Íפʾì¹ç¤Ï¡¢¥Ï¡¼¥É¥¦¥§¥¢¤Î¥ª¥×¥·¥ç¥ó¤ò¸¦µæ¤¹¤ë¤³¤È¤¬¸ÌÀ¤Ç¤¹¡£¥á¡¼¥ê + ¥ó¥°¥ê¥¹¥È¤Ç¤â¥Ï¡¼¥É¥¦¥§¥¢¥ª¥×¥·¥ç¥ó¤È¥È¥ì¡¼¥É¥ª¥Õ¤Ë¤Ä¤¤¤ÆµÄÏÀ¤¹¤ë¤³ + ¤È¤¬¤Ç¤¤Þ¤¹¡£</p> + +<hr /> + +<h2 align="center">Áàºî¾å¤Î¼ÁÌä</h2> + +<h4><a name="4.1">4.1</a>) ºÇ½é¤Î¿ô¥í¥¦¤Î¤ß¤ò <small>SELECT</small>¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©¥é¥ó¥À¥à¤Ê¥í¥¦¡© +</h4> + + <p>¤¿¤Ã¤¿¤Î¿ô¹Ô¤Î¥í¥¦¤ò¼è¤ê½Ð¤¹¤¿¤á¤Ë¡¢²¿¹ÔɬÍפ«¤¬¤ï¤«¤ì¤Ð¡¢ + <small>SELECT</small> ¤Î¤È¤¤Ë <small>LIMIT</small> ¤ò»È¤¤¤Þ¤¹¡£ + <small>ORDER BY</small>¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬¥Þ¥Ã¥Á¤·¤¿¾ì¹ç¡¢¤Þ¤Ã¤¿¤¯¥¯¥¨ + ¥ê¤¬¼Â¹Ô¤µ¤ì¤Ê¤¤¤³¤È¤â¤¢¤ê¤Þ¤¹¡£<small>SELECT</small> ¤Î¤È¤¤Ë²¿¹Ô + ¤¬É¬Íפ«¤òÃΤé¤Ê¤±¤ì¤Ð¡¢¥«¡¼¥½¥ë¤ò»È¤¤<small>FETCH</small>¤·¤Þ¤¹¡£</p> + + <p>¥é¥ó¥À¥à¥í¥¦¤ò<small>SELECT</small>¤¹¤ë¤Ë¤Ï¡¢¼¡¤Îʸ¤ò»È¤¤¤Þ¤¹¡§ +<pre> + SELECT col + FROM tab + ORDER BY random() + LIMIT 1; +</pre> -<H4><A NAME="3.1">3.1</A>) ¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð <I>/usr/local/pgsql</I> °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤¤Þ¤¹¤«¡©</H4> -<P> ´Êñ¤ÊÊýË¡¤Ï¡¢ <I>configure</I> ¤òÁö¤é¤»¤ë¤È¤¤Ë --prefix ¥ª¥×¥·¥ç¥ó¤ò»ØÄꤹ¤ë¤³¤È¤Ç¤¹¡£ -</P> +<h4><a name="4.2">4.2</a>) ÄêµÁ¤µ¤ì¤¿¥Æ¡¼¥Ö¥ë¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¢¤ª¤è¤Ó¡¢¥æ¡¼¥¶¤ò¤É¤Î¤è¤¦¤Ë¤·¤Æ¸«¤Ä¤±½Ð¤·¤Þ¤¹¤«¡©<i>psql</i>¤Ç»È¤ï¤ì¤Æ¤¤¤ë¥¯¥¨¥ê¤òɽ¼¨¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©</h4> -<H4><A NAME="3.2">3.2</A>) postmaster ¤òÁö¤é¤»¤ë¤È¡¢<I>Bad System Call</I> ¤È¤«¥³¥¢¡¦¥À¥ó¥×¤·¤¿¤È¤Î¥á¥Ã¥»¡¼¥¸¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© -</H4> + <p><i>psql</i> ¤ÎÃæ¤Ç \dt¥³¥Þ¥ó¥É¤ò¤ò»È¤Ã¤Æ¥Æ¡¼¥Ö¥ë¤ò¸«¤ë¤³¤È¤¬¤Ç¤ + ¤Þ¤¹¡£psql¤ÎÃæ¤Ç \? ¤ò»È¤Ã¤Æ¡¢¥³¥Þ¥ó¥É¤ÎÁ´¥ê¥¹¥È¤òÄ´¤Ù¤ë¤³¤È¤¬¤Ç¤¤Þ + ¤¹¡£°ìÊý¤Ç¡¢<i>psql</i> ¤Î¥½¡¼¥¹¥³¡¼¥É¤Ç¡¢¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¥³¥Þ¥ó¥É¤ò + ½ÐÎϤ¹¤ë <i>pgsql/src/bin/psql/describe.c</i> ¥Õ¥¡¥¤¥ë¤òÆÉ¤à¤³¤È¤â¤Ç + ¤¤Þ¤¹¡£¤½¤ÎÃæ¤Ë¤Ï¡¢ <small>SQL</small> ¥³¥Þ¥ó¥É¤òÀ¸À®¤¹¤ëÉôʬ¤â´Þ¤Þ + ¤ì¤Þ¤¹¡£¤Þ¤¿¡¢ <i>-E</i> ¥ª¥×¥·¥ç¥ó¤òÉÕ¤±¤Æ <i>psql</i> ¤ò³«»Ï¤¹¤ë¤È¡¢ + ÆþÎϤµ¤ì¤¿¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë¤¿¤á¤Î¥¯¥¨¥ê¤ò°õ»ú½ÐÎϤ¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ + PostgreSQL¤Ï <small>SQL</small> ½àµò¤Î INFORMATION SCHEMA ¥¤¥ó¥¿¡¼ + ¥Õ¥§¡¼¥¹¤òÄ󶡤·¤Þ¤¹¤Î¤Ç¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤òÌ䤤¹ç¤ï¤»¤ë¤³ + ¤È¤â¤Ç¤¤Þ¤¹¡£</p> -<P> ¤µ¤Þ¤¶¤Þ¤ÊÌäÂ꤬¹Í¤¨¤é¤ì¤Þ¤¹¤¬¡¢¤Þ¤ººÇ½é¤Ë¤¢¤Ê¤¿¤Î¥«¡¼¥Í¥ë¤Ë System V IPC ¤Î³ÈÄ¥¤¬¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Æ¤¤¤ë¤«¤ò³Îǧ¤·¤Æ¸«¤Æ¤¯¤À¤µ¤¤¡£PostgreSQL ¤Ï¥«¡¼¥Í¥ë¤Ë¤è¤ë¶¦Í¥á¥â¥ê¡¼¤È¥»¥Þ¥Õ¥©¤Î¥µ¥Ý¡¼¥È¤òɬÍפȤ·¤Þ¤¹¡£ + <p><i>pg_</i> ¤Ç»Ï¤Þ¤ë¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤Ç¤â¤³¤ì¤é¤òµ½Ò¤¹¤ë¤³¤È¤¬¤Ç¤ + ¤Þ¤¹¡£</p> + + <p><i>psql -l</i>¤ò»È¤¦¤ÈÁ´¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥ê¥¹¤È¤·¤Þ¤¹¡£</p> -</P> -<H4><A NAME="3.3">3.3</A>) <I>postmaster</I> ¤òÁö¤é¤»¤è¤¦¤È¤¹¤ë¤È¡¢<I>IpcMemoryCreate</I> ¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© -</H4> + <p>¤½¤ì¤È¡¢<i>pgsql/src/tutorial/syscat.source</i> ¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À + ¤µ¤¤¡£¤½¤³¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤«¤é¾ðÊó¤òÆÀ¤ë¤¿¤á¤Ëɬ + Í×¤Ê <small>SELECT</small> ʸ¤¬Âô»³¤¢¤ê¤Þ¤¹¡£</p> -<P> ¥«¡¼¥Í¥ë¤¬¶¦Í¥á¥â¥ê¡¼¤ò»ý¤ÄÀßÄê¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤«¤Ã¤¿¤«¡¢¤Ç¤Ê¤±¤ì¤Ð¡¢¥«¡¼¥Í¥ë¤ËÂФ·¤Æ»È¤¨¤ë¶¦Í¥á¥â¥ê¡¼¤ÎÂ礤µ¤òÂ礤¯ÀßÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¶ñÂÎŪ¤ÊÂ礤µ¤Ï¡¢»È¤Ã¤Æ¤¤¤ë¥¢¡¼¥¥Æ¥¯¥Á¥ã¤È<I>postmaster</I> ¤òÁö¤é¤»¤ë¤È¤¤ËÀßÄꤹ¤ë¥Ð¥Ã¥Õ¥¡¤Î¿ô¤È¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤Ë°Í¸¤·¤Þ¤¹¡£¤Û¤È¤ó¤É¤Î¥·¥¹¥Æ¥à¤Ç¤Ï¡¢´ûÄêÃͤΥХåե¡¥µ¥¤¥º¤Î¤Þ¤Þ¤Ç¡¢¾¯¤Ê¤¯¤È¤âÌó1MB¤¬É¬ÍפǤ¹¡£ -<A - href="http://www.postgresql.org/docs/current/static/kernel-resources.html">PostgreSQL - Administrator's Guide/Server Run-time Environment/Managing Kernel Resources</A> -¤Ë¶¦Í¥á¥â¥ê¡¼¤È¥»¥Þ¥Õ¥©¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤Î¾ÜºÙ¤¬¤¢¤ê¤Þ¤¹¤Î¤Ç¤´Í÷¤¯¤À¤µ¤¤¡£</P> +<h4><a name="4.3">4.3</a>) ¥«¥é¥à¤Î¥Ç¡¼¥¿·¿¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©</h4> -<H4><A NAME="3.4">3.4</A>) <I>postmaster¤ò</I>Áö¤é¤»¤è¤¦¤È¤¹¤ë¤È¡¢<I>IpcSemaphoreCreate</I> ¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡© -</H4> + <p>¥«¥é¥à¤Î¥Ç¡¼¥¿·¿¤ÎÊѹ¹¤Ï 8.0 °Ê¹ß¤Ç¤Ï¡¢ + <small>ALTER TABLE ALTER COLUMN TYPE</small> ¤ò»È¤¦¤³¤È¤Ë¤è¤ê´Öñ¤Ë + ¤Ê¤ê¤Þ¤·¤¿¡£</p> -<P>¤â¤·¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬<I>IpcSemaphoreCreate: semget failed (No space left on device)</I>¤Ç¤¢¤ì¤Ð¡¢¥«¡¼¥Í¥ë¤¬½½Ê¬¤Ê¥»¥Þ¥Õ¥©¤ò»È¤¨¤ë¤è¤¦¤Ë¹½À®¤µ¤ì¤Æ¤¤¤Þ¤»¤ó¡£Postgres¤ÏÀøºßŪ¤Ê¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹Ëè¤Ë°ì¤Ä¤Î¥»¥Þ¥Õ¥©¤òɬÍפȤ·¤Þ¤¹¡£¤È¤ê¤¢¤¨¤º¤Î²ò·èºö¤Ï<I>postmaster</I>¤òµ¯Æ°¤¹¤ë¤È¤¤Ë¡¢¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤Î¿ô¤ò¤è¤ê¾¯¤Ê¤¯À©¸Â¤ò¤¹¤ë¤³¤È¤Ç¤¹¡£´ûÄêÃͤÎ32¤è¤ê¾®¤µ¤Ê¿ô¤Î¥Ñ¥é¥á¡¼¥¿¤ò<I>-N</I>¤Ç»È¤¤¤Þ¤¹¡£¤è¤ê¹±µ×Ū¤Ê²ò·èºö¤Ï¡¢¥«¡¼¥Í¥ë¤Î<SMALL>SEMMNS</SMALL> ¤È <SMALL>SEMMNI</SMALL> ¥Ñ¥é¥á¡¼¥¿¤òÁý¤ä¤¹¤³¤È¤Ç¤¹¡£ -</P> + <p>¤½¤ì¤è¤êÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢°Ê²¼¤Î¤è¤¦¤Ë¤·¤Þ¤¹:</p> +<pre> + BEGIN; + ALTER TABLE tab ADD COLUMN new_col <i>new_data_type</i>; + UPDATE tab SET new_col = CAST(old_col AS <i>new_data_type</i>); + ALTER TABLE tab DROP COLUMN old_col; + COMMIT; +</pre> - <P>ÁàºîÉÔǽ¤Î¥»¥Þ¥Õ¥©¤â²áÅ٤ʥǡ¼¥¿¥Ù¡¼¥¹¥¢¥¯¥»¥¹¤Î´Ö¤Ë¥¯¥é¥Ã¥·¥å¤ò -µ¯¤³¤¹²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£ -</P> + <p>¤³¤ì¤ò¹Ô¤Ê¤Ã¤¿¤È¤¤Ï¡¢Ëõ¾Ã¤µ¤ì¤¿¹Ô¤¬»È¤Ã¤Æ¤¤¤ë¥Ç¥£¥¹¥¯¶õ´Ö¤ò²ó¼ý + ¤¹¤ë¤¿¤á¤Ë<i>VACUUM FULL tab</i>¤ò¤·¤¿¤Û¤¦¤¬Îɤ¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£</p> -<P>¤â¤·¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬¤Ê¤Ë¤«Â¾¤Î¤â¤Î¤Ç¤¢¤ì¤Ð¡¢¥«¡¼¥Í¥ë¤Î¹½À®¤Ç¤Þ¤Ã¤¿¤¯¥»¥Þ¥Õ¥©¤Î¥µ¥Ý¡¼¥È¤ò¤·¤Æ¤¤¤Ê¤¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£ -PostgreSQL Administrator's Guide ¤Ë¶¦Í¥á¥â¥ê¡¼¤È¥»¥Þ¥Õ¥©¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤Î¾ÜºÙ¤¬¤¢¤ê¤Þ¤¹¡£</P> +<h4><a name="4.4">4.4</a>) ¥í¥¦¡¢¥Æ¡¼¥Ö¥ë¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º¤Ï¡©</h4> + <p>À©¸Â¤Ï°Ê²¼¤Î¤È¤ª¤ê¤Ç¤¹:</p> +<blockquote> +<table> +<tr><td>¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º?</td><td>À©¸Â̵¤· (32 TB ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤â¸ºß¤·¤Þ¤¹)</td></tr> +<tr><td>¥Æ¡¼¥Ö¥ë¤ÎºÇÂ祵¥¤¥º?</td><td>32 TB</td></tr> +<tr><td>¥í¥¦¤ÎºÇÂ祵¥¤¥º?</td><td>1.6TB</td></tr> +<tr><td>¥Õ¥£¡¼¥ë¥É¤ÎºÇÂ祵¥¤¥º?</td><td>1 GB</td></tr> +<tr><td>¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂç¥í¥¦¿ô?</td><td>À©¸Â̵¤·</td></tr> +<tr><td>¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祫¥é¥à¿ô?</td><td>¥«¥é¥à¤Î·¿¤Ë¤è¤Ã¤Æ 250-1600</td></tr> +<tr><td>¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祤¥ó¥Ç¥Ã¥¯¥¹¿ô?</td><td>À©¸Â̵¤·</td></tr> +</table> +</blockquote> -<H4><A NAME="3.5">3.5</A>) ¾¤Î¥Û¥¹¥È¤«¤é¤ÎÀܳ¤Ï¤É¤Î¤è¤¦¤ËÀ©¸æ¤·¤Þ¤¹¤«¡© -</H4> + <p> ¤â¤Á¤í¤ó¡¢¤³¤ì¤é¤Ï¼ÂºÝ¤Ï̵À©¸Â¤Ç¤Ï¤Ê¤¯¡¢¥Ç¥£¥¹¥¯ÍÆÎ̤ȥá¥â¥ê¡¼¤ä + ¥¹¥ï¥Ã¥×¥¹¥Ú¡¼¥¹¤ÎÂ礤µ¤Ë¤è¤êÀ©¸Â¤µ¤ì¤Þ¤¹¡£Àǽ¤Ï¤³¤ì¤é¤ÎÃͤ¬¤³¤È¤Î + ¤Û¤«Â礤ʻþ¤ËÀú¤ê¤ò¼õ¤±¤Þ¤¹¡£</p> -<P> ´ûÄêÃͤǤϡ¢PostgreSQL ¤Ï Unix ¥É¥á¥¤¥ó¥½¥±¥Ã¥È¡¢¤Þ¤¿¤Ï¡¢TCP/IPÀܳ¤Î¥í¡¼¥«¥ë¥Þ¥·¥ó¤«¤é¤ÎÀܳ¤·¤«µö¤·¤Þ¤»¤ó¡£postgresql.conf ¤ÎÃæ¤Î listen_addresses ¤ò½¤Àµ¤·¡¢<B>¤«¤Ä¡¢</B><I>$PGDATA/pg_hba.conf</I> ¥Õ¥¡¥¤¥ë¤òŬÀڤ˾¤·¤Æ¡¢¥Û¥¹¥È¼çƳ·¿Ç§¾Ú¤ò͸ú¤Ë¤·¤Ê¤¤¤«¤®¤ê¤Ï¡¢Â¾¤Î¥Þ¥·¥ó¤«¤é¤ÏÀܳ¤Ç¤¤Ê¤¤¤Ç¤·¤ç¤¦¡£ -</p> + <p> ºÇÂç¥Æ¡¼¥Ö¥ë¥µ¥¤¥º¤Î32TB¤Ï¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ë¤è¤ëµðÂç¥Õ¥¡ + ¥¤¥ë¤Î¥µ¥Ý¡¼¥È¤ÏɬÍפȤ·¤Þ¤»¤ó¡£µðÂç¤Ê¥Æ¡¼¥Ö¥ë¤ÏÊ£¿ô¤Î1GB¤Î¥Õ¥¡¥¤¥ë + ¤Ëʬ¤±¤ÆÊݸ¤µ¤ì¤Þ¤¹¤Î¤Ç¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÀ©¸Â¤Ï½ÅÍפǤϤ¢¤ê¤Þ¤»¤ó¡£ + </p> -<H4><A NAME="3.6">3.6</A>) ¤è¤êÎɤ¤Àǽ¤òÆÀ¤ë¤¿¤á¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¦¥¨¥ó¥¸¥ó¤ò¤É¤Î¤è¤¦¤ËÄ´À°¤¹¤ì¤ÐÎɤ¤¤Ç¤¹¤«¡© -</H4> + <p> ¥Ç¥Õ¥©¥ë¥È¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ò32k¤Ë¤¹¤ë¤³¤È¤Ç¡¢ºÇÂç¥Æ¡¼¥Ö¥ë¥µ¥¤¥º + ¤ÈºÇÂ祫¥é¥à¿ô¤È¤ò4Çܤˤ¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£</p> -<P> ³Î¤«¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤ÏÌ䤤¹ç¤ï¤»¤Î®ÅÙ¤òÁý¤·¤Þ¤¹¡£<SMALL>EXPLAIN ANALYZE</SMALL>¥³¥Þ¥ó¥É¤Ç PostgreSQL ¤¬¤É¤Î¤è¤¦¤Ë¤¢¤Ê¤¿¤ÎÌ䤤¹ç¤ï¤»¤òËÝÌõ¤·¤Æ¤¤¤ë¤«¤ò¸«¤ë¤³¤È¤¬¤Ç¤¡¢¤½¤·¤Æ¡¢¤É¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤ï¤ì¤Æ¤¤¤ë¤«¤ò¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ -</P> -<P>¤â¤· <SMALL>INSERT</SMALL> ¤ò¿ÍѤ·¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢<SMALL>COPY</SMALL> ¥³¥Þ¥ó¥É¤ò»È¤Ã¤ÆÂ礤ʥХåÁ½èÍý¤Ç¤½¤ì¤ò¹Ô¤Ê¤¦¤³¤È¤ò¸¡Æ¤¤·¤Æ²¼¤µ¤¤¡£¤³¤ì¤Ï¡¢<SMALL>INSERT</SMALL> ¤òÊÌ¡¹¤Ë¹Ô¤Ê¤¦¤è¤ê¤â¤Ã¤È¹â®¤Ç¤¹¡£¼¡¤Ë¡¢<SMALL>BEGIN WORK/COMMIT</SMALL> ¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¡¦¥Ö¥í¥Ã¥¯¤ÎÃæ¤Ë̵¤¤Ê¸¤Ï¡¢¤½¤ì¤é¼«¿È¤¬¤½¤ì¤¾¤ì¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤ËÆþ¤Ã¤Æ¤¤¤ë¤È¸«¤Ê¤µ¤ì¤Þ¤¹¡£¤¤¤¯¤Ä¤«¤Îʸ¤ò°ì¤Ä¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¡¦¥Ö¥í¥Ã¥¯¤ÎÃæ¤Ç¹Ô¤Ê¤¦¤³¤È¤ò¹Í¤¨¤Æ²¼¤µ¤¤¡£¤³¤ì¤Ë¤è¤ê¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Î¥ª¡¼¥Ð¡¼¥Ø¥Ã¥É¤¬¸º¤ê¤Þ¤¹¡£¤Þ¤¿¡¢Â礤ʥǡ¼¥¿¤ÎÊѹ¹¤ò¹Ô¤Ê¤¦ºÝ¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò°ìÅÙ³°¤·¤Æ¡¢ºî¤êľ¤¹¤³¤È¤ò¹Í¤¨¤Æ¤ß¤Æ²¼¤µ¤¤¡£ -</P> -<P> <a href= - "http://www.postgresql.org/docs/current/static/runtime.html"> - Administration Guide/Server Run-time Environment/Run-time - Configuration</a>¤Ë¤Ï¡¢ -¥Á¥å¡¼¥Ë¥ó¥°¤Î¥ª¥×¥·¥ç¥ó¤¬¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£<i>fsync</I>¥ª¥×¥·¥ç¥ó¤Ç<I>fsync()</I> ¤ò̵¸ú¤Ë¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤³¤ì¤Ë¤è¤Ã¤Æ¡¢³Æ¥È¥é¥ó¥¶¥¯¥·¥ç¥óËè¤Ë <I>fsync()</I> ¤Ç¥Ç¥£¥¹¥¯¤ò¹¹¿·¤¹¤ë¤Î¤ò»ß¤á¤µ¤»¤Þ¤¹¡£ -</P> +<h4><a name="4.5">4.5</a>) °ìÈÌŪ¤Ê¥Æ¥¥¹¥È¥Õ¥¡¥¤¥ë¤Î¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¥£¥¹¥¯ÍÆÎ̤ϤɤΤ¯¤é¤¤É¬ÍפǤ¹¡©</h4> -<P> <I>shared_buffers</I>¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¥Ð¥Ã¥¯¥¨¥ó¥É¡¦¥×¥í¥»¥¹¤Ë¤è¤ê»È¤ï¤ì¤ë¶¦Í¥á¥â¥ê¡¼¡¦¥Ð¥Ã¥Õ¥¡¤òÂ礤¯¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£¤â¤·¡¢¤³¤Î¥Ñ¥é¥á¡¼¥¿¤ò¹â¤¯¤·¤¹¤®¤ë¤È¡¢¥«¡¼¥Í¥ë¤Î¶¦Í¥á¥â¥ê¡¼¶õ´Ö¤ÎÀ©¸ÂÃͤò±Û¤¨¤Æ¤·¤Þ¤¦¤¿¤á¤Ë <I>postmaster</I> ¤¬Áö¤é¤Ê¤¯¤Ê¤ë¤Ç¤·¤ç¤¦¡£´ûÄêÃͤǤϡ¢¤½¤ì¤¾¤ì¤Î¥Ð¥Ã¥Õ¥¡¤ÎÂ礤µ¤Ï 8K ¤Ç¡¢¥Ð¥Ã¥Õ¥¡¿ô¤Ï 1000 ¤Ç¤¹¡£ -</P> + <p>ÉáÄ̤Υƥ¥¹¥È¥Õ¥¡¥¤¥ë¤ò PostgreSQL ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÊݸ¤¹¤ë¤Ë¤Ï¡¢ + ºÇÂç¤ÇÌó5ÇܤΥǥ£¥¹¥¯ÍÆÎ̤òɬÍפȤ·¤Þ¤¹¡£</p> -<P> <I>sort_mem</I> (PostgreSQL 8.0¤«¤é¤Ï: <I>work_mem</I>)¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¡¢¤½¤ì¤¾¤ì¤Î¥Ð¥Ã¥¯¥¨¥ó¥É¡¦¥×¥í¥»¥¹¤¬°ì»þŪ¤ÊʤÙÂØ¤¨¤Ë¤è¤Ã¤Æ»È¤¦¥á¥â¥ê¡¼¤ÎºÇÂ祵¥¤¥º¤òÁý¤ä¤¹¤³¤È¤â¤Ç¤¤Þ¤¹¡£ ´ûÄêÃÍ¤Ï 1024 (¤¹¤Ê¤ï¤Á¡¢1MB)¤Ç¤¹¡£ -</P> -<P> ¤Þ¤¿¡¢<SMALL>CLUSTER</SMALL> ¥³¥Þ¥ó¥É¤ò»È¤Ã¤Æ¡¢¥Æ¡¼¥Ö¥ë¤Î¥Ç¡¼¥¿¤ò¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ë¹ç¤ï¤»¤ë¤¿¤á¤Ë¥°¥ë¡¼¥×²½¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£¾Ü¤·¤¯¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç <I>CLUSTER</I> ¤ò¸«¤Æ²¼¤µ¤¤¡£ -</P> + <p> ÎãÂê¤È¤·¤Æ¡¢³Æ¹Ô¤ËÀ°¿ô¤È¥Æ¥¥¹¥Èµ½Ò¤ò»ý¤Ä 100,000¹Ô¤Î¥Õ¥¡¥¤¥ë¤ò + ¹Í¤¨¤Æ¤ß¤Þ¤·¤ç¤¦¡£¥Æ¥¥¹¥È¤Îʸ»úÎó¤ÎÊ¿¶ÑŤµ¤ò20¥Ð¥¤¥È¤È²¾Äꤹ¤ë¤È¡¢ + ¥Õ¥é¥Ã¥È¥Õ¥¡¥¤¥ë¤ÎÂ礤µ¤ÏÌó2.8MB ¤Ç¤¹¡£¤³¤Î¥Ç¡¼¥¿¤ò´Þ¤à PostgreSQL + ¥Ç¡¼¥¿¥Ù¡¼¥¹¥Õ¥¡¥¤¥ë¤ÎÂ礤µ¤Ï¼¡¤Î¤è¤¦¤ËÌó6.4MB¤È¸«ÀѤâ¤ë¤³¤È¤¬¤Ç¤ + ¤Þ¤¹¡§ -<H4><A NAME="3.7">3.7</A>) ¤É¤Î¤è¤¦¤Ê¥Ç¥Ð¥°µ¡Ç½¤¬»È¤¨¤Þ¤¹¤«¡©</H4> +<pre> + 32 bytes: ³Æ¥í¥¦¤Î¥Ø¥Ã¥À(³µ»») + 24 bytes: À°¿ô(int)¥Õ¥£¡¼¥ë¥É¤È¥Æ¥¥¹¥È(text)¥Õ¥£¡¼¥ë¥É + + 4 bytes: ¥Ú¡¼¥¸¾å¤Î¥¿¥Ã¥×¥ë¤Ø¤Î¥Ý¥¤¥ó¥¿ + ---------------------------------------- + 60 bytes per row -<P> PostgreSQL ¤Ï¡¢¥Ç¥Ð¥°¤Î¤¿¤á¤Ë°ÕÌ£¤Î¤¢¤ë¡¢¾õÂÖ¾ðÊó¤òÊó¹ð¤¹¤ë¤¤¤¯¤Ä¤«¤Îµ¡Ç½¤ò»ý¤Á¤Þ¤¹¡£ -</P> + PostgreSQL ¤Î¥Ç¡¼¥¿¥Ú¡¼¥¸¥µ¥¤¥º¤Ï 8192¥Ð¥¤¥È(8KB)¤Ê¤Î¤Ç: -<P> ¤Þ¤º¡¢--enable-cassert ¥ª¥×¥·¥ç¥ó¤Ç <I>configure</I> ¤òÁö¤é¤»¤Þ¤¹¡£¤½¤¦¤·¤Æ¥³¥ó¥Ñ¥¤¥ë¤¹¤ë¤³¤È¤Ë¤è¤ê¡¢Âô»³¤Î <I>assert()</I> ¤¬¡¢¥Ð¥Ã¥¯¥¨¥ó¥É¤Î¿ÊĽ¾õ¶·¤ò´Æ»ë¤·¡¢²¿¤«Í½´ü¤»¤Ì¤³¤È¤¬µ¯¤¤ë¤È¥×¥í¥°¥é¥à¤òÄä»ß¤¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ -</P> + 8192 bytes per page + ------------------- = 136 rows per database page (ÀÚ¤ê¼Î¤Æ) + 60 bytes per row -<P> <I>postmaster</I> ¤È <I>postgres</I> ¤ÎξÊý¤Ç¤¤¤¯¤Ä¤«¤Î¥Ç¥Ð¥°¡¦¥ª¥×¥·¥ç¥ó¤ÎÍøÍѤ¬¤Ç¤¤Þ¤¹¡£¤Þ¤º¡¢¼¡¤Î¤è¤¦¤Ë <I>postmaster</I> ¤òµ¯Æ°¤¹¤ë¤È¤¤Ï¤¤¤Ä¤Ç¤â¡¢É¸½à½ÐÎϤȥ¨¥é¡¼½ÐÎϤò¥í¥°¡¦¥Õ¥¡¥¤¥ë¤ËÁ÷¤ë¤è¤¦¤Ë¤·¤Æ¤¢¤ë¤³¤È¤ò³Î¤«¤á¤Æ²¼¤µ¤¤¡£ -</P> + 100000 data rows + -------------------- = 782 database pages (ÀÚ¤ê¾å¤²) + 128 rows per page + + 735 database pages * 8192 bytes per page = 6,021,120 bytes (6 MB) +</pre> -<PRE> - cd /usr/local/pgsql - ./bin/postmaster >server.log 2>&1 & -</PRE> + <p>¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¤³¤ì¤Û¤É¤Î¥ª¡¼¥Ð¥Ø¥Ã¥É¤ÏÍ׵ᤷ¤Þ¤»¤ó¤¬¡¢¥¤¥ó¥Ç¥Ã + ¥¯¥¹ÉÕ¤±¤µ¤ì¤ë¥Ç¡¼¥¿¤ò´Þ¤à°Ê¾å¡¢¤½¤ì¤Ê¤ê¤ËÂ礤¯¤Ê¤ê¤Þ¤¹¡£ </p> + <p><small>NULL</small>¤Ï¥Ó¥Ã¥È¥Þ¥Ã¥×¤È¤·¤ÆÊݸ¤µ¤ì¤Æ¤¤¤Æ¡¢¤½¤ì¤é¤¬¤ï + ¤º¤«¤Ë¥¹¥Ú¡¼¥¹¤ò»È¤¤¤Þ¤¹¡£</p> -<P> ¤³¤ì¤Ë¤è¤ê PostgreSQL ¤ÎºÇ¾åÉô¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ë server.log ¥Õ¥¡¥¤¥ë¤¬ÃÖ¤«¤ì¤Þ¤¹¡£¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¥µ¡¼¥Ð¡¼¤¬Áø¶ø¤·¤¿ÌäÂê¤ä¥¨¥é¡¼¤Ë¤Ä¤¤¤ÆÍÍѤʾðÊó¤ò´Þ¤ß¤Þ¤¹¡£<I>Postmaster</I> ¤Ï¹¹¤Ë¾ÜºÙ¤Ê¾ðÊó¤òÊó¹ð¤¹¤ë¤¿¤á¤Î <I>-d</I> ¥ª¥×¥·¥ç¥ó¤ò»ý¤Á¤Þ¤¹¡£¤½¤Î <I>-d</I> ¥ª¥×¥·¥ç¥ó¤Ï¡¢¥Ç¥Ð¥°¡¦¥ì¥Ù¥ë¤ò»ØÄꤷ¤Þ¤¹¡£¹â¤¤¥Ç¥Ð¥°¡¦¥ì¥Ù¥ë¤Ç¤Ï¡¢Âç¤¤Ê¥í¥°¥Õ¥¡¥¤¥ë¤òÀ¸À®¤¹¤ë¤³¤È¤ËÃí°Õ¤·¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£ -</P> -<P>¤â¤·¡¢<i>postmaster</i>¤¬Áö¤Ã¤Æ¤¤¤Ê¤±¤ì¤Ð¡¢<I>postgres</I>¥Ð¥Ã¥¯¥¨¥ó¥É¤ò¥³¥Þ¥ó¥É¥é¥¤¥ó¤«¤éÁö¤é¤»¤ë¤³¤È¤¬¤Ç¤¡¢Ä¾ÀÜ<SMALL>SQL</SMALL>ʸ¤ò¥¿¥¤¥×¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤³¤Î¤ä¤ê¤«¤¿¤Ï¡¢¥Ç¥Ð¥°ÌÜŪ¤Î¤È¤<B>¤À¤±</B>¤ª¾©¤á¤·¤Þ¤¹¡£¥»¥ß¥³¥í¥ó¤Ç¤Ï¤Ê¤¯¡¢²þ¹Ô¤¬Ì䤤¹ç¤ï¤»¤Î½ª¤ê¤Ë¤Ê¤ë¤³¤È¤ËÃí°Õ¤·¤Æ¤¯¤À¤µ¤¤¡£¤â¤·¡¢¥Ç¥Ð¥°¥·¥ó¥Ü¥ë¤òÆþ¤ì¤Æ¥³¥ó¥Ñ¥¤¥ë¤·¤Æ¤¤¤ì¤Ð¡¢¥Ç¥Ð¥Ã¥¬¤ò»È¤Ã¤Æ²¿¤¬µ¯¤¤Æ¤¤¤ë¤«¤ò¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£postmaster ¤«¤é¥Ð¥Ã¥¯¥¨¥ó¥É¤ò³«»Ï¤·¤¿¤ï¤±¤Ç¤Ï¤Ê¤¤¤Î¤Ç¡¢ÆÈΩ¤Ê´Ä¶¤ÇÁö¤Ã¤Æ¤¤¤ë¤Î¤Ç¤Ï¤Ê¤¯¥í¥Ã¥¯¡¿¥Ð¥Ã¥¯¥¨¥ó¥É¤È¤ÎÂÐÏäÎÌäÂ꤬½ÅÊ£¤¹¤ë¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£ -</P> +<h4><a name="4.6">4.6</a>) ¥¯¥¨¥ê¤¬ÃÙ¤¤¤Î¤Ï¤Ê¤¼¤Ç¤·¤ç¤¦¡© ¤Ê¤¼¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤ï¤ì¤Ê¤¤¤Î¤Ç¤·¤ç¤¦¤«¡©</h4> - <P> ¤â¤·¡¢<i>postmaster</i>¤¬Áö¤Ã¤Æ¤¤¤ì¤Ð¡¢¤¢¤ë¥¦¥£¥ó¥É¥¦¤Ç<I>psql</I>¤ò³«»Ï¤¹¤ë¤È¡¢<code>SELECT pg_backend_pid()</code>¤ò»È¤Ã¤Æ¡¢<i>psql</i> ¤Ç»È¤ï¤ì¤ë <i>postgres</i> ¥×¥í¥»¥¹¤Î<SMALL>PID</SMALL>¤¬¸«¤Ä¤«¤ê¤Þ¤¹¡£ -¥Ç¥Ð¥Ã¥¬¤ò»È¤Ã¤Æ<i>postgres</i>¤Î<SMALL>PID</SMALL>¤Ë¥¢¥¿¥Ã¥Á(attach)¤·¤Þ¤¹¡£¥Ç¥Ð¥Ã¥¬¤ÎÃæ¤«¤é¥Ö¥ì¡¼¥¯¡¦¥Ý¥¤¥ó¥È¤ò¥»¥Ã¥È¤·¡¢<i>psql</i> ¤«¤éÌ䤤¹ç¤ï¤»¤òȯ¹Ô¤·¤Þ¤¹¡£¥Ç¥Ð¥°¤Î¤¿¤á¤Ë<i>postgres</i>¤ò»Ïư¤¹¤ë¾ì¹ç¤Ï¡¢PGOPTIONS="-W n" ¤òÀßÄê¤Ç¤¡¢¤½¤ì¤«¤é¡¢<i>psql</i> ¤ò³«»Ï¤·¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢<i>n</i> Éó«»Ï¤òÃ٤餻¤ë¤Ï¤º¤Ê¤Î¤Ç¡¢¥Ç¥Ð¥Ã¥¬¤Ç¥×¥í¥»¥¹¤Ë¥¢¥¿¥Ã¥Á¤·¤Æ¡¢¥Ö¥ì¡¼¥¯¥Ý¥¤¥ó¥È¤òÀßÄꤷ¡¢³«»Ï¤«¤é½ç¤òÄɤäƸ«¤Æ¤æ¤¯¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ -</P> -<P> ¤¤¤¯¤Ä¤«¤Î<code>log_*</code>¥µ¡¼¥Ð¹½À®ÊÑ¿ô¤Ï¡¢¥Ç¥Ð¥Ã¥°¤ÈÀǽ¬Äê¤Ë¤È¤Æ¤âÌò¤ËΩ¤Ä¥×¥í¥»¥¹¤ÎÅý·×¤Î°õºþ¤ò²Äǽ¤Ë¤·¤Þ¤¹¡£ -</P> + <p>¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¤¹¤Ù¤Æ¤Î¥¯¥¨¥ê¤Ç»È¤ï¤ì¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£¥Æ¡¼ + ¥Ö¥ë¤¬ºÇ¾®¥µ¥¤¥º¤è¤êÂ礤¯¡¢¥¯¥¨¥ê¤Ç¤½¤Î¤ï¤º¤«¤Ê¥Ñ¡¼¥»¥ó¥Æ¡¼¥¸¤Î¥í¥¦ + ¤òÁªÂò¤¹¤ë»þ¤À¤±¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï»È¤ï¤ì¤Þ¤¹¡£¤³¤ì¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥¥ã + ¥ó¤Ë¤è¤êµ¯¤³¤µ¤ì¤ë¥é¥ó¥À¥à¤Ê¥Ç¥£¥¹¥¯¥¢¥¯¥»¥¹¤Ï¡¢¥Æ¡¼¥Ö¥ë¤ò¥¹¥È¥ì¡¼¥È + ¤ËÆÉ¤à½ç¼¡Áöºº¤è¤ê¤âÃÙ¤¯¤Ê¤ë¤³¤È¤¬¤¢¤ë¤«¤é¤Ç¤¹¡£ </p> -<P> ²¿¤È¤¤¤¦´Ø¿ô¤¬¤É¤Î¤¯¤é¤¤¼Â¹Ô»þ´Ö¤ò¿©¤Ã¤Æ¤¤¤ë¤«¤ò¸«¤ë¤¿¤á¤Ë¡¢¥×¥í¥Õ¥¡¥¤¥ê¥ó¥°¡Ê¥×¥í¥Õ¥£¡¼¥ëÉÕ¤¡Ë¤Ç¥³¥ó¥Ñ¥¤¥ë¤¹¤ë¤³¤È¤â²Äǽ¤Ç¤¹¡£¤½¤Î¥Ð¥Ã¥¯¥¨¥ó¥É¤Î¥×¥í¥Õ¥£¡¼¥ë¡¦¥Õ¥¡¥¤¥ë¤Ï <I>pgsql/data/base/dbname</I> ¥Ç¥£¥ì¥¯¥È¥ê¤Ë³ÊǼ¤µ¤ì¤ë¤Ç¤·¤ç¤¦¡£¥¯¥é¥¤¥¢¥ó¥È¤Î¥×¥í¥Õ¥£¡¼¥ë¤Ï¥¯¥é¥¤¥¢¥ó¥È¤Î¸½¹Ô¥Ç¥£¥ì¥¯¥È¥ê¤ËÃÖ¤«¤ì¤ë¤Ç¤·¤ç¤¦¡£Linux ¤Ç¤Þ¤È¤â¤Ê¥×¥í¥Õ¥¡¥¤¥ê¥ó¥°¤ò¹Ô¤¦¤Ë¤Ï <I>-DLINUX_PROFILE</I> ¤Ç¥³¥ó¥Ñ¥¤¥ë¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ -</P> + <p>¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤«¤ò·èÄꤹ¤ë¤¿¤á¤Ë¡¢PostgreSQL ¤Ï¥Æ¡¼¥Ö¥ë¤Ë¤Ä¤¤ + ¤Æ¤ÎÅý·×¾ðÊó¤ò»ý¤¿¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£¤³¤ÎÅý·×¾ðÊó¤Ï¡¢ + <small>VACUUMANALYZE</small>¤Þ¤¿¤Ï¡¢Ã±¤Ë <small>ANALYZE</small> ¤ò»È¤Ã + ¤Æ¼ý½¸¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£Åý·×¾ðÊó¤ò»È¤Ã¤Æ¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤Ï¥Æ¡¼¥Ö¥ë¤Î + Ãæ¤Ë¤¢¤ë¥í¥¦¿ô¤òÃΤꡢ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ù¤¤«¤Î·èÄê¤ò¤è¤êÀµ¤·¤¯¤Ç¤ + ¤Þ¤¹¡£Åý·×¾ðÊó¤ÏºÇŬ¤Ê·ë¹ç½ç¤ä·ë¹çÊýË¡¤ò·è¤á¤ë¾å¤Ç¤âµ®½Å¤Ê¤â¤Î¤â¤¢¤ê + ¤Þ¤¹¡£Åý·×¾ðÊó¤Î¼ý½¸¤Ï¡¢¥Æ¡¼¥Ö¥ë¤ÎÆâÍÆ¤¬¤«¤ï¤ë¤ÈËè¤Ë·«ÊÖ¤·¤Ê¤µ¤ì¤ë¤Ù + ¤¤Ç¤¹¡£</p> -<H4><A NAME="3.8">3.8</A>) Àܳ¤·¤è¤¦¤È¤¹¤ë¤È¤¤Ë <I>'Sorry, too many clients'</I> ¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© -</H4> + <p> ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢Ä̾ï <small>ORDER BY</small> ¤ä·ë¹ç¤ò¹Ô¤Ê¤¦¤¿¤á + ¤Ë¤Ï»È¤ï¤ì¤Þ¤»¤ó¡£½ç¼¡¥¹¥¥ã¥ó¤Ë³¤¯ÌÀ¼¨Åª¥½¡¼¥È¤Ï¡¢µðÂç¤Ê¥Æ¡¼¥Ö¥ë¤Î + ¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥¥ã¥ó¤è¤ê¤âÉáÄ̤Ϲ⮤Ǥ¹¡£</p> -<P> <I>postmaster¤¬</I>Ʊ»þ»Ïư¤Ç¤¤ë¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤ËÂФ¹¤ëÀ©¸Â¿ô¤òÁý¤ä¤¹É¬Íפ¬¤¢¤ê¤Þ¤¹¡£ -</P> -<P>´ûÄê¤ÎºÇÂç¥×¥í¥»¥¹¤Ï32¥×¥í¥»¥¹¤Ç¤¹¡£<I>-N</I>¤ËŬÀÚ¤ÊÃͤò°ú¿ô¤Ë¤·¤Æ<I>postmaster</I>¤òºÆµ¯Æ°¤¹¤ë¤«¡¢PostgreSQL.conf ¤ò½¤Àµ¤¹¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢¤½¤ÎÃͤòÁý¤ä¤¹¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ -</P> + ¤·¤«¤·¡¢<small>ORDER BY</small>¤ÈÁȤ߹ç¤ï¤µ¤ì¤¿<small>LIMIT</small> + ¤Ï¡¢¥Æ¡¼¥Ö¥ë¤Î¾®¤µ¤ÊÉôʬ¤òÊÖ¤¹¤¿¤á¤Ë¤¿¤Ó¤¿¤Ó¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ç¤·¤ç + ¤¦¡£¼ÂºÝ¡¢MAX() ¤ä MIN() ¤¬¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤ï¤Ê¤¤¤È¤·¤Æ¤â¡¢¤³¤Î¤è¤¦ + ¤ÊÃͤòORDER BY ¤È LIMIT ¤ò»È¤Ã¤Æ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤¬²Ä + ǽ¤Ç¤¹: -<P>¤â¤·¡¢<I>-N</I> ¤ò 32¤è¤ê¤âÂ礤¯¤¹¤ë¤Î¤Ç¤¢¤ì¤Ð¡¢<I>-B</I>¤â´ûÄê¤Î64¤è¤êÂ礤¤ÃͤËÁý²Ã¤µ¤»¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤·¡¢<I>-B</I> ¤Ï¾¯¤Ê¤¯¤È¤â <I>-N</I> ¤Î2ÇܤϤʤ¯¤Æ¤Ï¤Ê¤é¤º¡¢¤ª¤½¤é¤¯ºÇ¹âÀǽ¤ò˾¤à¤Ê¤é¤Ð¤½¤ì¤è¤êÂ礤¤Ãͤ¬É¬ÍפʤϤº¤Ç¤¹¡£¥Ð¥Ã¥¯¥¨¥ó¥É¥×¥í¥»¥¹¤ò¤¿¤¯¤µ¤ó¤Ë¤¹¤ë¤È¡¢¤¤¤í¤¤¤í¤ÊUnix¥«¡¼¥Í¥ë¹½À®¥Ñ¥é¥á¡¼¥¿¤âÁý¤ä¤¹¤³¤È¤¬É¬Íפˤʤ뤫¤â¤·¤ì¤Þ¤»¤ó¡£ -¶¦Í¥á¥â¥ê¡¼¡¦¥Ö¥í¥Ã¥¯¤ÎºÇÂçÃÍ(<SMALL>SHMMAX</SMALL>)¡¢ -¥»¥Þ¥Õ¥©¤ÎºÇÂç¿ô(<SMALL>SEMMNS</SMALL>¤È<SMALL>SEMMNI</SMALL>)¡¢ -¥×¥í¥»¥¹¤ÎºÇÂç¿ô(<SMALL>NPROC</SMALL>)¡¢ -¥æ¡¼¥¶Ëè¤ÎºÇÂç¥×¥í¥»¥¹¿ô(<SMALL>MAXUPRC</SMALL>)¡¢ -³«¤¯¥Õ¥¡¥¤¥ë¤ÎºÇÂç¿ô(<SMALL>NFILE</SMALL>¤È<SMALL>NINODE</SMALL>) -¤â³Îǧ»ö¹à¤Ë´Þ¤Þ¤ì¤Þ¤¹¡£ -PostgreSQL¤Ëµö¤µ¤ì¤ë¥Ð¥Ã¥¯¥¨¥ó¥É¤Î¥×¥í¥»¥¹¿ô¤¬À©¸Â¤µ¤ì¤Æ¤¤¤ë¤Î¤Ï¡¢ -¥·¥¹¥Æ¥à¤Î¥ê¥½¡¼¥¹¤ò»È¤¤²Ì¤·¤Æ¤·¤Þ¤¦¤³¤È¤òÈò¤±¤ë¤¿¤á¤Ç¤¹¡£ -</P> +<pre> + SELECT col + FROM tab + ORDER BY col [ DESC ] + LIMIT 1; +</pre> -<H4><A NAME="3.9">3.9</A>) <I>pgsql_tmp</I> ¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¤Ë¤Ï²¿¤¬¤¢¤ê¤Þ¤¹¤«¡© -</H4> + <p>¤â¤·¡¢¥ª¥×¥Æ¥£¥Þ¥¤¥¶¤¬´Ö°ã¤Ã¤Æ¥·¡¼¥±¥ó¥·¥ã¥ë¥¹¥¥ã¥ó¤òÁªÂò¤·¤¿¤³ + ¤È¤Ëµ¿¤¤¤¬¤Ê¤±¤ì¤Ð¡¢<CODE>SET enable_seqscan TO 'off'</CODE>¤ËÀßÄꤷ + ¤Æ¡¢¥¯¥¨¥ê¤ò¤â¤¦°ìÅټ¹Ի롢¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥¥ã¥ó¤¬¤Þ¤Á¤¬¤¤¤Ê¤¯Â®¤¯¤Ê¤Ã + ¤Æ¤¤¤ë¤«¤É¤¦¤«¤ò¤ß¤Æ¤¯¤À¤µ¤¤¡£</p> + + <p> <small>LIKE</small> ¤¢¤ë¤¤¤Ï <i>~</i> ¤Î¤è¤¦¤Ê¥ï¥¤¥ë¥É¥«¡¼¥É±é»» + »Ò¤ÏÆÃÊ̤ʴĶ¤Ç¤·¤«»È¤¨¤Þ¤»¤ó¡§ + <ul> + <li>¸¡º÷ʸ»úÎó¤¬Ê¸»úÎó¤ÎºÇ½é¤Ë¤¤¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡§</li> + <ul> + <li><small>LIKE</small> ¥Ñ¥¿¡¼¥ó¤¬<i>%</i>¤Ç»Ï¤Þ¤é¤Ê¤¤</li> + <li><i>~</i> (Àµµ¬É½¸½) ¥Ñ¥¿¡¼¥ó¤Ï<i>^</i>¤Ç»Ï¤Þ¤é¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤</li> + </ul> + <li>¸¡º÷ʸ»úÎó¤òʸ»ú¥¯¥é¥¹¤«¤é»Ï¤á¤ë¤³¤È¤Ï¤Ç¤¤Þ¤»¤ó¡£¤¿¤È¤¨¤Ð¡¢[a-e]¡£</li> + <li><small>ILIKE</small> ¤ä <i>~*</i> ¤Î¤è¤¦¤ÊÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤· + ¤Ê¤¤¸¡º÷¤Ï»È¤¨¤Þ¤»¤ó¡£¤½¤Î¤«¤ï¤ê¡¢¤³¤ÎFAQ¤Î<a + href="#4.8">4.8</a>Àá¤ÇÀâÌÀ¤¹¤ë¼°¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤¨¤Þ¤¹¡£ + </li> + <li><i>initdb</i> ¤Ë¤ª¤¤¤Æ¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Ç<i>C</i>¥í¥±¡¼¥ë¤¬»È¤ï¤ì¤Ê + ¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤½¤ÎÍýͳ¤Ï¡¢C¥í¥±¡¼¥ë°Ê³°¤Ç¤Ï¼¡¤ËÂ礤Êʸ»ú¤ò + ÃΤ뤳¤È¤¬¤Ç¤¤Ê¤¤¤«¤é¤Ç¤¹¡£¤³¤Î¤è¤¦¤Ê¾ì¹ç¡¢<pre>LIKE</pre>¥¤¥ó + ¥Ç¥¯¥·¥ó¥°¤Ë¤À¤±Æ¯¤¯¤è¤¦¤Ê¡¢ÆÃÊ̤Ê<pre>text_pattern_ops</pre>¥¤ + ¥ó¥Ç¥Ã¥¯¥¹¤òºîÀ®¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£ + </li> + </ul> + <p> + + <p>8.0¤è¤êÁ°¤Î¥ê¥ê¡¼¥¹¤Ç¤Ï¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¥Ç¡¼¥¿·¿¤¬¤Á¤ç¤¦¤É¥¤¥ó¥Ç¥Ã + ¥¯¥¹¤Î¥«¥é¥à¤Î·¿¤È°ìÃפ·¤Ê¤±¤ì¤Ð¡¢»È¤¨¤Ê¤¤¤³¤È¤¬¤·¤Ð¤·¤Ð¤¢¤ê¤Þ¤·¤¿¡£ + ¤ª¤½¤é¤¯¡¢int2, int8, ¤ª¤è¤Ó numeric Åù¤Î¥«¥é¥à¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬¤½¤¦ + ¤Ç¤¹¡£</p> + + +<h4><a NAME="4.7">4.7</a>) Ì䤤¹ç¤ï¤»¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¤É¤Î¤è¤¦¤ËÌ䤤¹ç¤ï¤»¤òɾ²Á¤¹¤ë¤Î¤«¤ò¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©</h4> + + <p>¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç <small>EXPLAIN</small> ¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£</p> + +<h4><a name="4.8">4.8</a>) Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É¤Î¤è¤¦¤Ë»È¤¤¤Þ¤¹¤«¡©</h4> + + <p><i>~</i>±é»»»Ò¤ÏÀµµ¬É½¸½¾È¹ç¤ò¹Ô¤Ê¤¤¡¢<i>~*</i> ¤ÏÂçʸ»ú¤È¾®Ê¸»ú + ¤ò¶èÊ̤·¤Ê¤¤(case-insensitive)Àµµ¬É½¸½¾È¹ç¤ò¹Ô¤¤¤Þ¤¹¡£ Âçʸ»ú¤È¾®Ê¸ + »ú¤ò¶èÊ̤·¤Ê¤¤ <small>LIKE</small> ±é»»»Ò¤ò <small>ILIKE</small> ¤È + ¤¤¤¤¤Þ¤¹¡£</p> + + <p>Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ÅùÃÍÈæ³Ó¤Ï¼¡¤Î¤è¤¦¤Ëɽ¸½¤Ç¤¤ë¡§ +<pre> + SELECT * + FROM tab + WHERE lower(col) = 'abc'; +</pre> -<P> Ì䤤¹ç¤ï¤»¼Â¹Ô¥â¥¸¥å¡¼¥ë¤Ë¤è¤Ã¤ÆÀ¸À®¤µ¤ì¤¿°ì»þŪ¤Ê¥Õ¥¡¥¤¥ë¤¬¡¢¤³¤Î¥Ç¥£ -¥ì¥¯¥È¥ê¤Ë´Þ¤Þ¤ì¤Þ¤¹¡£Î㤨¤Ð¡¢¤â¤· <SMALL>ORDER BY</SMALL> ¶ç¤òËþ¤¿¤¹¤¿¤á¤Ë¥Ð¥Ã¥¯¥¨¥ó¥É¤Î <I>-S</I> ¥Ñ¥é¥á¡¼¥¿¤Çµö²Ä¤·¤¿Ãͤè¤ê¤âÂ礤ʥ¹¥Ú¡¼¥¹¤¬¥½¡¼¥È¤ÎºÝ¤ËɬÍפÀ¤È¤¹¤ë¤È¡¢°î¤ì¤¿¥Ç¡¼¥¿¤òÊÝ»ý¤¹¤ë¤¿¤á¤Ë°ì»þŪ¤Ê¥Õ¥¡¥¤¥ë¤¬¤¤¤¯¤Ä¤«¤³¤³¤ËÀ¸À®¤µ¤ì¤Þ¤¹¡£ -</P> -<P> -°ì»þŪ¤Ê¥Õ¥¡¥¤¥ë¤Ï¼«Æ°Åª¤Ë¾Ã¤·µî¤é¤ì¤ë¤Ï¤º¤Ç¤¹¤¬¡¢¤â¤·¡¢¥½¡¼¥È¤ÎÅÓÃæ¤Ç¥Ð¥Ã¥¯¥¨¥ó¥É¤¬¥¯¥é¥Ã¥·¥å¤·¤Æ¤·¤Þ¤¦¤È¤½¤¦¤Ï¤Ê¤ê¤Þ¤»¤ó¡£<I>postmaster</I>¤ÎÄä»ß¤È¥ê¥¹¥¿¡¼¥È¤Ç¤³¤ì¤é¤Î¥Õ¥¡¥¤¥ë¤Ï¥Ç¥£¥ì¥¯¥È¥ê¤«¤é¾Ã¤·¤µ¤é¤ì¤Þ¤¹¡£ -</P> + <p>ɸ½à¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï»È¤ï¤ì¤º¡¢¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·¡¢¼°¥¤¥ó¥Ç¥Ã¥¯¥¹ + ¤òºî¤Ã¤¿¤Ê¤é¤½¤ì¤¬»È¤ï¤ì¤ë¤Ç¤·¤ç¤¦¡£</p> -<PRE> - [ÌõÃí¡§ - SYSLOGD ·Ðͳ¤Ç¥í¥°¤ò½ÐÎϤ¹¤ë¤Ë¤Ï¡¢¤Þ¤º¡¢configure ¤ò --enable-syslog - ÉÕ¤¤ÇÁö¤é¤»¤¿¸å¡¢¥³¥ó¥Ñ¥¤¥ë¤È¥¤¥ó¥¹¥È¡¼¥ë¤ò¹Ô¤Ê¤¤¤Þ¤¹¡£ - ¼¡¤Ë¡¢syslog.conf ¤Ë local?.* ¤Î ½ÐÎÏÀè¤ò»ØÄꤷ(´Ä¶ÊÑ¿ô¤ÇÊѹ¹²Äǽ)¡¢ - syslogd ¤Ë HUP ¥·¥°¥Ê¥ë¤òÁ÷¤Ã¤Æ½é´ü²½¤·¤Æ¤ª¤¤Þ¤¹¡£¤½¤·¤Æ¡¢ - $PGDATA/pg_options ¤Ë syslog=2 ¤ò²Ã¤¨¤Æ¡¢ postmaster ¤ò -S - ¥ª¥×¥·¥ç¥óÉÕ¤¤Ë¤Æ¥µ¡¼¥Ð¥â¡¼¥É¤Çµ¯Æ°¤·¤Þ¤¹¡£(¥Ð¡¼¥¸¥ç¥ó 7.1 ¤«¤é¤Ï - pg_options ¤Ï PostgreSQL.conf ¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£) - ] -</PRE> +<pre> + CREATE INDEX tabindex ON tab (lower(col)); +</pre> -<H4><A name="3.10">3.10</A>) PostgreSQL¤Î¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹¤ò¥¢¥Ã¥×¥Ç¡¼¥È¤¹¤ë¤Î¤Ë¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ò¤·¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©</H4> -<P> -PostgreSQL¥Á¡¼¥à¤Ï¥Þ¥¤¥Ê¡¼¥ê¥ê¡¼¥¹¤Ç¤Ï¾®¤µ¤ÊÊѹ¹¤·¤«¹Ô¤Ê¤¤¤Þ¤»¤ó¤Î¤Ç¡¢7.2 ¤«¤é 7.2.1 ¤Ø¤Î¥¢¥Ã¥×¥°¥ì¡¼¥É¤Ë¤Ï¥À¥ó¥×¤È¥ê¥¹¥È¥¢¤ÎɬÍפϤ¢¤ê¤Þ¤»¤ó¡£¤·¤«¤·¡¢¥á¥¸¥ã¡¼¥ê¥ê¡¼¥¹(¤¿¤È¤¨¤Ð¡¢7.2¤«¤é7.3¤Ø¤Î¤è¤¦¤Ê)¤Ç¤Ï¡¢¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤ä¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤ÎÆâÉô¥Õ¥©¡¼¥Þ¥Ã¥È¤ÎÊѹ¹¤ò¤·¤Ð¤·¤Ð¹Ô¤Ê¤¤¤Þ¤¹¡£¤³¤ì¤é¤ÎÊѹ¹¤Ï¤¿¤¤¤Æ¤¤Ê£»¨¤Ç¡¢¤½¤Î¤¿¤á²æ¡¹¤Ï¥Ç¡¼¥¿¥Õ¥¡¥¤¥ë¤Î¤¿¤á¤Î¸åÊý¸ß´¹À¤ò°Ý»ý¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤»¤ó¡£¥À¥ó¥×¤ÏÈÆÍÑ¥Õ¥©¡¼¥Þ¥Ã¥È¤Ç¥Ç¡¼¥¿¤ò½ÐÎϤ·¡¢¤½¤ì¤ò¿·¤·¤¤ÆâÉô¥Õ¥©¡¼¥Þ¥Ã¥È¤ËÆÉ¤ß¹þ¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£</P> -<P> -¥Ç¥£¥¹¥¯¾å¤Ç¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤ËÊѹ¹¤Î¤Ê¤¤Æ±°ì¥ê¥ê¡¼¥¹¤Ç¤Ï¡¢¥¢¥Ã¥×¥°¥ì¡¼¥É¤Ï¡¢¥À¥ó¥×¡¿¥ê¥¹¥È¥¢¤Ç¤Ï¤Ê¤¯¡¢<I>pg_upgrade</I> ¥¹¥¯¥ê¥×¥È¤ò»È¤¦¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¥ê¥ê¡¼¥¹¥Î¡¼¥È¤Ë¤Ï¡¢<I>pg_upgrade</I> ¤¬ÍøÍѲÄǽ¤Ê¥ê¥ê¡¼¥¹¤«¤É¤¦¤«µ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£</P> -<H4><A name="3.11">3.11</A>) ¥Ï¡¼¥É¥¦¥§¥¢¤Ë¤Ï¤É¤ó¤Ê¥³¥ó¥Ô¥å¡¼¥¿¤ò»È¤¨¤Ð¤è¤¤¤Ç¤¹¤«¡©</H4> -<P> -PC¥Ï¡¼¥É¥¦¥§¥¢¤Ï¤Û¤È¤ó¤É¸ß´¹À¤¬¤¢¤ê¤Þ¤¹¤Î¤Ç¡¢¤Û¤È¤ó¤É¤Î¿Í¤Ï¡¢¤¹¤Ù¤Æ¤ÎPC¥Ï¡¼¥É¥¦¥§¥¢¤¬Æ±¤¸ÉʼÁ¤À¤È»×¤¤¹þ¤à·¹¸þ¤¬¤¢¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤½¤ì¤Ï´Ö°ã¤¤¤Ç¤¹¡£ECC RAM¡¢SCSI¡¢¤ª¤è¤Ó¡¢¹âÉʼÁ¥Þ¥¶¡¼¥Ü¡¼¥É¤Ï¡¢°Â¤¤¥Ï¡¼¥É¥¦¥§¥¢¤ËÈæ¤Ù¤ë¤È¡¢¤è¤ê¿®ÍêÀ¤¬¹â¤¯¡¢¤è¤êÀǽ¤âÎɤ¤¤Î¤Ç¤¹¡£PostgreSQL ¤Ï¤Û¤È¤ó¤É¤Î¥Ï¡¼¥É¥¦¥§¥¢¤Ç²ÔƯ¤·¤Þ¤¹¤¬¡¢¿®ÍêÀ¤äÀǽ¤¬½ÅÍפʾì¹ç¤Ï¡¢¥Ï¡¼¥É¥¦¥§¥¢¤Î¥ª¥×¥·¥ç¥ó¤ò¸¦µæ¤¹¤ë¤³¤È¤¬¸ÌÀ¤Ç¤¹¡£¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ç¤â¥Ï¡¼¥É¥¦¥§¥¢¥ª¥×¥·¥ç¥ó¤È¥È¥ì¡¼¥É¥ª¥Õ¤Ë¤Ä¤¤¤ÆµÄÏÀ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£</P> +<h4><a name="4.9">4.9</a>) ¥¯¥¨¥ê¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬<small>NULL</small> ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© ¥Õ¥£¡¼¥ë¥É¤¬<small>NULL</small>¤«¤É¤¦¤«¤Ç¤É¤Î¤è¤¦¤Ë¥½¡¼¥È¤¬¤Ç¤¤Þ¤¹¤«¡©</h4> + <p>°Ê²¼¤Î¤è¤¦¤Ë¡¢<small>IS NULL</small> ¤È <small>IS NOT + NULL</small>¤Ç¡¢¤½¤Î¥«¥é¥à¤ò¥Æ¥¹¥È¤·¤Æ¤ß¤Þ¤¹¡§</p> -<HR> -<H2 align="center">Áàºî¾å¤Î¼ÁÌä</H2> +<pre> + SELECT * + FROM tab + WHERE col IS NULL; +</pre> -<H4><A NAME="4.1">4.1</A>) ¥Ð¥¤¥Ê¥ê¡¦¥«¡¼¥½¥ë¤ÈÄ̾參¡¼¥½¥ë¤È¤Î¸·Ì©¤Ê°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© -</H4> + <p><small>NULL</small>¾õÂ֤ǥ½¡¼¥È¤¹¤ë¤Ë¤Ï¡¢<small>IS NULL</small> ¤È + <small>IS NOT NULL</small> ¤Î½¤¾þ»Ò¤ò <small>ORDER BY</small> ¶ç¤ÎÃæ + ¤Ç»È¤Ã¤Æ¤ß¤Þ¤¹¡£<i>true</i> ¤Î¤â¤Î¤Ï <i>false</i> ¤Î¤â¤Î¤è¤ê¤â¹â¤¤ÃÍ + ¤È¤·¤ÆÊ¤٤é¤ì¤Þ¤¹¤Î¤Ç¡¢¼¡¤ÎÎã¤Ç¤Ï NULL ¤ÎµºÜ¤¬·ë²Ì¥ê¥¹¥È¤Î¾åÉô¤ËÃÖ + ¤«¤ì¤Þ¤¹¡£ -<P> ¾Ü½Ò¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç <SMALL>DECLARE</SMALL> ¤ò¸«¤Æ²¼¤µ¤¤¡£ -</P> +<pre> + SELECT * + FROM tab + ORDER BY (col IS NOT NULL) +</pre> -<H4><A NAME="4.2">4.2</A>) ºÇ½é¤Î¿ô¥í¥¦¤Î¤ß¤ò <SMALL>SELECT</SMALL>¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©¥é¥ó¥À¥à¤Ê¥í¥¦¡© -</H4> -<P> ¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç<SMALL>FETCH</SMALL>¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£¤¢¤ë¤¤¤Ï¡¢SELECT ... LIMIT....¤ò»È¤Ã¤Æ¤ß¤Æ²¼¤µ¤¤¡£ -</P> +<h4><a name="4.10">4.10</a>) ¤¤¤í¤¤¤í¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© +</h4> -<P>¤¿¤È¤¨¡¢Íߤ·¤¤¤Î¤ÏºÇ½é¤Î¿ô¥í¥¦¤À¤±¤Ç¤â¡¢¤¹¤Ù¤Æ¤ÎÌ䤤¹ç¤ï¤»¤òɾ²Á¤·¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£<SMALL>ORDER BY</SMALL> ¤ò»ý¤Ã¤¿Ì䤤¹ç¤ï¤»¤ò»È¤¦¤³¤È¤ò¹Í¤¨¤Æ¤ß¤Æ²¼¤µ¤¤¡£ -¤â¤·¡¢<SMALL>ORDER BY</SMALL>¤Ë¹ç¤Ã¤¿¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬¤¢¤ë¤È¤¹¤ë¤È PostgreSQL¤ÏÍ׵ᤵ¤ì¤¿ºÇ½é¤Î¿ô¥í¥¦¤À¤±¤Çɾ²Á¤Ç¤¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¤¬¡¢¤Ç¤Ê¤ì¤Ð¡¢PostgreSQL ¤Ï°Õ¿Þ¤·¤¿¥í¥¦¤¬À¸À®¤µ¤ì¤ë¤Þ¤Ç¤¹¤Ù¤Æ¤Î¥í¥¦¤òɾ²Á¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£ -</P> +<blockquote> +<table> +<tr><th>·¿</th><th>ÆâÉô̾</th><th>È÷¹Í</th></tr> +<tr><td>VARCHAR(n)</td><td>varchar</td><td>ºÇÂçĹ¤Î¥µ¥¤¥º¤ò»ØÄꤹ¤ë¡¢µÍ¤áʪ̵¤·</td></tr> +<tr><td>CHAR(n)</td><td>bpchar</td><td>»ØÄꤵ¤ì¤¿¸ÇÄêĹ¤È¤Ê¤ë¤è¤¦¤Ë¶õÇò¤¬µÍ¤á¤é¤ì¤ë</td></tr> +<tr><td>TEXT</td><td>text</td><td>Ťµ¤ËÆÃÊ̤ʾå¸Â¤Ï̵¤·</td></tr> +<tr><td>BYTEA</td><td>bytea</td><td>²ÄÊÑĹ¤Î¥Ð¥¤¥ÈÇÛÎó(null-byte safe)</td></tr> +<tr><td>"char"</td><td>char</td><td>1ʸ»ú</td></tr> +</table> +</blockquote> - <P>¥é¥ó¥À¥à¤Ê¥í¥¦¤ò<SMALL>SELECT</SMALL>¤¹¤ë¤Ë¤Ï¡¢¼¡¤Îʸ¤ò»È¤¤¤Þ¤¹¡§ -</P> -<PRE> - SELECT col - FROM tab - ORDER BY random() - LIMIT 1; -</PRE> + <p> ÆâÉô̾¤Ë¤ªÌܤˤ«¤«¤ë¤Î¤Ï¡¢¥·¥¹¥Æ¥à¡¦¥«¥¿¥í¥°¤òÄ´¤Ù¤ë¤È¤¤ä¡¢¥¨¥é¡¼ + ¥á¥Ã¥»¡¼¥¸¤ò¼õ¤±¼è¤ë¤È¤¤Ç¤¹¡£</p> -<H4><A NAME="4.3">4.3</A>) ¥Æ¡¼¥Ö¥ë¤ä¤½¤Î¾¤Î¾ðÊó¤Î¥ê¥¹¥È¤ò <I>psql</I> ¤Ç¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© -</H4> -<P> - <I>psql</I>¤ÎÃæ¤Ç¡¢ \dt ¥³¥Þ¥ó¥É¤ò»È¤Ã¤Æ¥Æ¡¼¥Ö¥ë¤ò¸«¤Þ¤¹¡£psql ¤ÎÃæ¤Î¥³¥Þ¥ó¥É¤Î´°Á´¤Ê¥ê¥¹¥È¤Ë¤Ï \? ¤ò»È¤¨¤Þ¤¹¡£¤¢¤ë¤¤¤Ï¡¢<I>psql</I>¤Î¥½¡¼¥¹¥³¡¼¥É¤Î<I>pgsql/src/bin/psql/describe.c</I>¥Õ¥¡¥¤¥ë¤ò¸«¤ë¤³¤È¤â¤Ç¤¤Æ¡¢¤½¤ÎÃæ¤Ë¤Ï<I>psql</I>¤Î¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¥³¥Þ¥ó¥É¤Î½ÐÎϤòÀ¸À®¤¹¤ë<SMALL>SQL</SMALL>¥³¥Þ¥ó¥É¤¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹¡£¤Þ¤¿¡¢<I>psql</I>¤ò -E ¥ª¥×¥·¥ç¥ó¤È°ì½ï¤Ë³«»Ï¤¹¤ë¤È¡¢¼Â¹Ô¤µ¤»¤¿¥³¥Þ¥ó¥É¤ò¼Â¹Ô¤¹¤ë¤¿¤á¤Ë»È¤¦Ì䤤¹ç¤ï¤»¤ò½ÐÎϤ¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£PostgreSQL¤Ï¤Þ¤¿¡¢<SMALL>SQLi</SMALL>Âбþ¤Î INFORMATION SCHEMA ¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤òÍѰդ·¤Æ¤¤¤Æ¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ë¤Ä¤¤¤Æ¤Î¾ðÊó¤òÆÀ¤ë¤¿¤á¤ËÌ䤤¹ç¤ï¤»¤ò»È¤¦¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ -</P> + <p> ¾åµ¤Î·¿¤Î¤¦¤ÁºÇ½é¤Î£´¤Ä¤Î·¿¤Ï "varlena" ·¿¤Ç¤¹(¤¹¤Ê¤ï¤Á¡¢¥Ç¥£¥¹ + ¥¯¤ÎºÇ½é¤Î£´¥Ð¥¤¥È¤¬¥Ç¡¼¥¿Ä¹¤Ç¡¢¤½¤ì¤Î¸å¤Ë¼ÂºÝ¤Î¥Ç¡¼¥¿¤¬Â³¤¤Þ¤¹)¡£ + ¤³¤Î¤è¤¦¤Ë¼ÂºÝ¤Î¶õ´Ö¤ÏÀë¸À¤µ¤ì¤¿Â礤µ¤è¤ê¤â¾¯¤·Â礤¯¤Ê¤ê¤Þ¤¹¡£¤·¤« + ¤·¡¢Ä¹¤¤Ãͤϰµ½Ì¤µ¤ì¤ë¤Î¤Ç¡¢¥Ç¥£¥¹¥¯¾å¤Î¶õ´Ö¤Ï»×¤Ã¤¿¤è¤ê¤â¾®¤µ¤¯¤Ê¤ê¤Þ¤¹¡£</p> + <p><small>VARCHAR(n)</small> ¤Ï²ÄÊÑŤÎʸ»úÎó¤òÊݸ¤¹¤ë¤Î¤ËºÇŬ¤Ç¤¹ + ¤¬¡¢Êݸ¤Ç¤¤ëʸ»úÎó¤ÎŤµ¤ËÀ©¸Â¤¬¤¢¤ê¤Þ¤¹¡£<small>TEXT</small> ¤ÏĹ + ¤µ¤ËÀ©¸Â¤Î̵¤¤Ê¸»úÎó¤ÎÊݸ¤Î¤¿¤á¤Î¤â¤Î¤Ç¡¢ºÇÂç¤Ç 1¥®¥¬¥Ð¥¤¥È¤Ç¤¹¡£ + <small>CHAR(n)</small>¤Ï¡¢<small>VARCHAR(n)</small>¤¬Í¿¤¨¤é¤ì¤¿Ê¸»ú + ¤À¤±¤òÊݸ¤¹¤ë¤Î¤ËÂФ·¡¢¥Ö¥é¥ó¥¯¤òµÍ¤á¹þ¤ó¤Ç¤¤¤Ä¤âƱ¤¸Ä¹¤µ¤Çʸ»úÎó¤ò + Êݸ¤¹¤ë¤Î¤ËºÇŬ¤Ç¤¹¡£<small>BYTEA</small>¤Ï¡¢ÉôʬŪ¤Ë + <small>NULL</small> ¤Î¥Ð¥¤¥È¤ò´Þ¤à¥Ð¥¤¥Ê¥ê¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤¿¤á¤Î¤â¤Î + ¤Ç¤¹¡£¤³¤ì¤é¤Î¥¿¥¤¥×¤ÏƱ¤¸¤¯¤é¤¤¤ÎÀǽÆÃÀ¤ò¤â¤Á¤Þ¤¹¡£</p> -<H4><A NAME="4.4">4.4</A>) ¥Æ¡¼¥Ö¥ë¤«¤é¥«¥é¥à¤Îºï½ü¡¢¤¢¤ë¤¤¤Ï¡¢¥Ç¡¼¥¿·¿¤òÊѹ¹¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© -</H4> -<P> <SMALL>DROP COLUMN</SMALL>µ¡Ç½¤¬¡¢<SMALL>ALTER TABLE DROP COLUMN</SMALL> ¤È¤·¤Æ¥ê¥ê¡¼¥¹7.3 -¤Ë²Ã¤¨¤é¤ì¤Þ¤·¤¿¡£¤½¤ì¤Þ¤Ç¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢¤½¤ÎÂå¤ï¤ê¤Ë¤³¤¦¤·¤Þ¤¹: -</P> +<h4><a name="4.11.1">4.11.1</a>) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡©</h4> -<PRE> - BEGIN; - LOCK TABLE old_table; - SELECT ... -- ºï½ü¤·¤¿¤¤¥«¥é¥à°Ê³°¤Î¥«¥é¥à¤ò¤¹¤Ù¤ÆÁªÂò¤·¤Þ¤¹¡£ - INTO TABLE new_table - FROM old_table; - DROP TABLE old_table; - ALTER TABLE new_table RENAME TO old_table; - COMMIT; -</PRE> + <p> PostgreSQL ¤Ï <small>SERIAL</small> ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¥« + ¥é¥à¾å¤Ë¥·¡¼¥±¥ó¥¹¤ò¼«Æ°ºîÀ®¤·¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢</p> -<P>¥«¥é¥à¤Î¥Ç¡¼¥¿¥¿¥¤¥×¤Ï¼¡¤Îʸ¤ÇÊѤ¨¤é¤ì¤Þ¤¹¡§ -</P> +<pre> + CREATE TABLE person ( + id SERIAL, + name TEXT + ); +</pre> + ¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹: +<pre> + CREATE SEQUENCE person_id_seq; + CREATE TABLE person ( + id INT4 NOT NULL DEFAULT nextval('person_id_seq'), + name TEXT + ); + [ÌõÃí¡§ + CREATE UNIQUE INDEX person_id_key ON person ( id ); + ¤Ï¡¢ 7.3 °Ê¹ß¤Ï¼«Æ°Åª¤Ë¤Ï¹Ô¤Ê¤ï¤ì¤Ê¤¯¤Ê¤ê¤Þ¤·¤¿¡£ + ] +</pre> + ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç + <i>create_sequence</i> ¤ò¤´¤é¤ó¤¯¤À¤µ¤¤¡£ -<PRE> - BEGIN; - ALTER TABLE tab ADD COLUMN new_col <i>new_data_type</i>; - UPDATE tab SET new_col = CAST(old_col AS <i>new_data_type</i>); - ALTER TABLE tab DROP COLUMN old_col; - COMMIT; -</PRE> -<P>¤³¤ì¤ò¹Ô¤Ê¤Ã¤¿¤È¤¤Ï¡¢Ëõ¾Ã¤µ¤ì¤¿¹Ô¤¬»È¤Ã¤Æ¤¤¤ë¥Ç¥£¥¹¥¯¶õ´Ö¤ò²ó¼ý¤¹¤ë¤¿¤á¤Ë<I>VACUUM FULL tab</I>¤ò¤·¤¿¤Û¤¦¤¬Îɤ¤¤«¤â¤·¤ì¤Þ¤»¤ó¡£ -</P> +<h4><a name="4.11.2">4.11.2</a>) <small>SERIAL</small>¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡©</h4> -<H4><A NAME="4.5">4.5</A>) ¥í¥¦¡¢¥Æ¡¼¥Ö¥ë¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º¤Ï¡© -</H4> + <p>¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢<i>nextval()</i> ´Ø¿ô¤ò»È¤Ã¤Æ¤½¤ÎÃͤòÁÞÆþ¤¹¤ë<i> + Á°(before)¤Ë</i> SEQUENCE ¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤Î <small>SERIAL</small> + Ãͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤¹¡£<a + href="#4.11.1">4.11.1</a> ¤Î¥Æ¡¼¥Ö¥ë¤ÎÎã¤ò»È¤¦¤È¤¹¤ë¤È¡¢µ¿»÷¸À¸ì¤Ç¤Ï + ¤³¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£</p> -<P> À©¸Â¤Ï°Ê²¼¤Î¤È¤ª¤ê¤Ç¤¹¡£ -</P> -<PRE> -¥Ç¡¼¥¿¥Ù¡¼¥¹¤ÎºÇÂ祵¥¤¥º? À©¸Â̵¤· (32 TB ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤â¸ºß¤·¤Þ¤¹) -¥Æ¡¼¥Ö¥ë¤ÎºÇÂ祵¥¤¥º? 32TB -¥í¥¦¤ÎºÇÂ祵¥¤¥º? 1.6TB -¥Õ¥£¡¼¥ë¥É¤ÎºÇÂ祵¥¤¥º? 1GB -¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂç¥í¥¦¿ô? À©¸Â̵¤· -¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祫¥é¥à¿ô? ¥«¥é¥à¤Î·¿¤Ë¤è¤ê250-1600 -¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祤¥ó¥Ç¥Ã¥¯¥¹¿ô? À©¸Â̵¤· -</PRE> +<pre> + new_id = execute("SELECT nextval('person_id_seq')"); + execute("INSERT INTO person (id, name) VALUES (new_id, 'Blaise Pascal')"); +</pre> -<P> ¤â¤Á¤í¤ó¡¢¤³¤ì¤é¤Ï¼ÂºÝ¤Ï̵À©¸Â¤Ç¤Ï¤Ê¤¯¡¢¥Ç¥£¥¹¥¯ÍÆÎ̤ȥá¥â¥ê¡¼¤ä¥¹¥ï¥Ã¥×¥¹¥Ú¡¼¥¹¤ÎÂ礤µ¤Ë¤è¤êÀ©¸Â¤µ¤ì¤Þ¤¹¡£Àǽ¤Ï¤³¤ì¤é¤ÎÃͤ¬¤³¤È¤Î¤Û¤«Â礤ʻþ¤ËÀú¤ê¤ò¼õ¤±¤Þ¤¹¡£ -</P> + ¤½¤¦¤·¤Æ¡¢<tt>new_id</tt> ¤ËÊݸ¤·¤¿¿·¤·¤¤Ãͤò¾¤Î¥¯¥¨¥ê(¤¿¤È¤¨¤Ð¡¢ + <tt>person</tt> ¥Æ¡¼¥Ö¥ë¤ËÂФ¹¤ë³°Éô¥¡¼(foreign key)¤Î¤è¤¦¤Ë)»È¤¦¤È + ¤è¤¤¤Ç¤·¤ç¤¦¡£¼«Æ°Åª¤Ëºî¤é¤ì¤¿<small>SEQUENCE</small>¥ª¥Ö¥¸¥§¥¯¥È¤Î + ̾Á°¤Ï¡¢<<i>table</i>>_<<i>serialcolumn</i>>_<i>seq</i> + ¤Î¤è¤¦¤Ë¤Ê¤ê¡¢¤³¤Î¤¦¤Á¡¢<i>table</i> ¤È <i>serialcolumn</i> ¤Ï¤½¤ì¤¾ + ¤ì¥Æ¡¼¥Ö¥ë¤Î̾Á°¤È<small>SERIAL</small>¥«¥é¥à¤Î̾Á°¤Ç¤¹¡£ -<P> ºÇÂç¥Æ¡¼¥Ö¥ë¥µ¥¤¥º¤Î32TB¤Ï¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¥·¥¹¥Æ¥à¤Ë¤è¤ëµðÂç¥Õ¥¡¥¤¥ë¤Î¥µ¥Ý¡¼¥È¤ÏɬÍפȤ·¤Þ¤»¤ó¡£µðÂç¤Ê¥Æ¡¼¥Ö¥ë¤ÏÊ£¿ô¤Î1GB¤Î¥Õ¥¡¥¤¥ë¤Ëʬ¤±¤ÆÊݸ¤µ¤ì¤Þ¤¹¤Î¤Ç¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÀ©¸Â¤Ï½ÅÍפǤϤ¢¤ê¤Þ¤»¤ó¡£ -</P> + <p>¤¢¤ë¤¤¤Ï¡¢Í¿¤¨¤é¤ì¤¿<small>SERIAL</small>Ãͤò¡¢¤½¤ì¤¬´ûÄêÃͤȤ·¤Æ + ÁÞÆþ¤µ¤ì¤¿<i>¸å¤Ç(after)</i>¡¢ <i>currval()</i> ´Ø¿ô¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹ + ¤³¤È¤â¤Ç¤¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ </p> -<P> ¥Ç¥Õ¥©¥ë¥È¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ò32k¤Ë¤¹¤ë¤³¤È¤Ç¡¢ºÇÂç¥Æ¡¼¥Ö¥ë¥µ¥¤¥º¤ÈºÇÂ祫¥é¥à¿ô¤È¤ò£´Çܤˤ¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ -</P> +<pre> + execute("INSERT INTO person (name) VALUES ('Blaise Pascal')"); + new_id = execute("SELECT currval('person_id_seq')"); +</pre> -<H4><A NAME="4.6">4.6</A>) °ìÈÌŪ¤Ê¥Æ¥¥¹¥È¥Õ¥¡¥¤¥ë¤«¤é¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤Ë¤Ï¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥Ç¥£¥¹¥¯ÍÆÎ̤ϤɤΤ¯¤é¤¤É¬ÍפǤ¹¡© -</H4> -<P> -ÉáÄ̤Υƥ¥¹¥È¥Õ¥¡¥¤¥ë¤ò PostgreSQL ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÊݸ¤¹¤ë¤Ë¤Ï¡¢ºÇÂç¤ÇÌó5ÇܤΥǥ£¥¹¥¯ÍÆÎ̤òɬÍפȤ·¤Þ¤¹¡£</P> +<h4><a name="4.11.3">4.11.3</a>) <i>currval()</i> ¤Ï¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂ֤˴٤뤳¤È¤Ï¤Ê¤¤¤Ç¤¹¤«¡©</h4> -<P> ÎãÂê¤È¤·¤Æ¡¢³Æ¹Ô¤ËÀ°¿ô¤È¥Æ¥¥¹¥Èµ½Ò¤ò»ý¤Ä 100,000¹Ô¤Î¥Õ¥¡¥¤¥ë¤ò¹Í¤¨ -¤Æ¤ß¤Þ¤·¤ç¤¦¡£¥Æ¥¥¹¥È¤Îʸ»úÎó¤ÎÊ¿¶ÑŤµ¤ò20¥Ð¥¤¥È¤È²¾Äꤹ¤ë¤È¡¢¥Õ¥é¥Ã¥È -¥Õ¥¡¥¤¥ë¤ÎÂ礤µ¤ÏÌó2.8MB ¤Ç¤¹¡£¤³¤Î¥Ç¡¼¥¿¤ò´Þ¤à PostgreSQL ¥Ç¡¼¥¿¥Ù¡¼¥¹ -¥Õ¥¡¥¤¥ë¤ÎÂ礤µ¤Ï¼¡¤Î¤è¤¦¤ËÌó6.4MB¤È¸«ÀѤâ¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡§ -</P> + <p>¤½¤ì¤Ï¤¢¤ê¤Þ¤»¤ó¡£<i>currval()</i> ¤Ï¡¢¤¹¤Ù¤Æ¤Î¥æ¡¼¥¶¤Ç¤Ï¤¢¤ê¤Þ¤» + ¤ó¤¬¡¢ÆÉ¼Ô¤Î¥»¥Ã¥·¥ç¥ó¤ËÍ¿¤¨¤é¤ì¤¿¸½ºß¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£ </p> -<PRE> - 32 bytes: ³Æ¥í¥¦¤Î¥Ø¥Ã¥À(³µ»») - 24 bytes: À°¿ô(int)¥Õ¥£¡¼¥ë¥É¤È¥Æ¥¥¹¥È(text)¥Õ¥£¡¼¥ë¥É - + 4 bytes: ¥Ú¡¼¥¸¾å¤Î¥¿¥Ã¥×¥ë¤Ø¤Î¥Ý¥¤¥ó¥¿ - ---------------------------------------- - 60 bytes per row - PostgreSQL ¤Î¥Ç¡¼¥¿¥Ú¡¼¥¸¥µ¥¤¥º¤Ï 8192¥Ð¥¤¥È(8KB)¤Ê¤Î¤Ç: +<h4><a name="4.11.4">4.11.4</a>) ¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤ·¤¿¤È¤¤Ë¤â¤¦¤¤¤Á¤É¥·¡¼¥±¥ó¥¹Èֹ椬»È¤ï¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©¥·¡¼¥±¥ó¥¹¡¿SERIAL¥«¥é¥à¤Ë¶õ¤¤¬¤¢¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©</h4> - 8192 bytes per page - ------------------- = 136 rows per database page (ÀÚ¤ê¼Î¤Æ) - 60 bytes per row + <p>Ʊ»þÀ¤ò²þÁ±¤¹¤ë¤¿¤á¤Ë¡¢¼Â¹ÔÃæ¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Ë¡¢É¬Íפ˱þ¤¸¤Æ¥È + ¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬½ªÎ»¤¹¤ë¤Þ¤Ç¥í¥Ã¥¯¤µ¤ì¤Ê¤¤¤è¤¦¥·¡¼¥±¥ó¥¹ÃͤòÍ¿¤¨¤Æ¤¤ + ¤Þ¤¹¡£¤³¤Î¤¿¤á¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤµ¤ì¤ë¤ÈÈÖ¹æ³ä¤êÅö¤Æ¤Ë¥®¥ã¥Ã¥×¤ò + À¸¤¸¤Þ¤¹¡£</p> - 100000 data rows - -------------------- = 782 database pages (ÀÚ¤ê¾å¤²) - 128 rows per page - - 735 database pages * 8192 bytes per page = 6,021,120 bytes (6 MB) -</PRE> - -<P> -¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¤³¤ì¤Û¤É¤Î¥ª¡¼¥Ð¥Ø¥Ã¥É¤ÏÍ׵ᤷ¤Þ¤»¤ó¤¬¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹ÉÕ¤±¤µ¤ì¤ë¥Ç¡¼¥¿¤ò´Þ¤à°Ê¾å¡¢¤½¤ì¤Ê¤ê¤ËÂ礤¯¤Ê¤ê¤Þ¤¹¡£ -</P> -<P><SMALL>NULL</SMALL>¤Ï¥Ó¥Ã¥È¥Þ¥Ã¥×¤È¤·¤ÆÊݸ¤µ¤ì¤Æ¤¤¤Æ¡¢¤½¤ì¤é¤¬¤ï¤º¤«¤Ë¥¹¥Ú¡¼¥¹¤ò»È¤¤¤Þ¤¹¡£ -</P> - -<H4><A NAME="4.7">4.7</A>) ÄêµÁ¤µ¤ì¤¿¥Æ¡¼¥Ö¥ë¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¡¢¤ª¤è¤Ó¡¢¥æ¡¼¥¶¤ò¤É¤Î¤è¤¦¤Ë¤·¤Æ¸«¤Ä¤±½Ð¤·¤Þ¤¹¤«¡© -</H4> - -<P> <I>psql</I> ¤Ë¤Ï¤¤¤í¤¤¤í¤Ê¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¡¦¥³¥Þ¥ó¥É¤¬¤¢¤ê¡¢¤³¤¦¤·¤¿¾ðÊó¤òɽ¼¨¤·¤Þ¤¹¡£¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¡¦¥³¥Þ¥ó¥É¤Î¼ïÎà¤ò¸«¤ë¤Ë¤Ï \? ¤ò»È¤Ã¤Æ²¼¤µ¤¤¡£¤Þ¤¿¡¢<i>pg_</i> ¤Ç»Ï¤Þ¤ë¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤Ë¤âµ½Ò¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¤µ¤é¤Ë¡¢<i>psql -l</i> ¤Ï¤¹¤Ù¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥ê¥¹¥Èɽ¼¨¤·¤Þ¤¹¡£ -</P> - -<P> ¤Þ¤¿¡¢<I>pgsql/src/tutorial/syscat.source</I> ¥Õ¥¡¥¤¥ë¤òÁö¤é¤»¤Æ¤ß¤Æ²¼¤µ¤¤¡£¤½¤ì¤Ï¡¢Âô»³¤Î <SMALL>SELECT</SMALL> ʸ¤Ë¤è¤êɬÍפʾðÊó¤ò¥Ç¡¼¥¿¥Ù¡¼¥¹¤Î¥·¥¹¥Æ¥à¡¦¥Æ¡¼¥Ö¥ë¤«¤é¼è¤ê½Ð¤·¤ÆÎ㼨¤·¤Æ¤¯¤ì¤Þ¤¹¡£ -</P> - -<H4><A NAME="4.8">4.8</A>) Ì䤤¹ç¤ï¤»¤¬ÃÙ¤¤¤¦¤¨¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¤¤¤ëÍͻҤ¬¤¢¤ê¤Þ¤»¤ó¡£¤Ê¤¼¤Ç¤¹¤«¡© -</H4> - -<P> -¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¼«Æ°Åª¤Ë¤¹¤Ù¤Æ¤ÎÌ䤤¹ç¤ï¤»¤Ç»È¤ï¤ì¤ë¤ï¤±¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£¥Æ¡¼ -¥Ö¥ë¤¬ºÇ¾®¥µ¥¤¥º¤è¤êÂ礤¯¡¢Ì䤤¹ç¤ï¤»¤Ç¤½¤Î¤ï¤º¤«¤Ê¥Ñ¡¼¥»¥ó¥Æ¡¼¥¸¤Î¥í¥¦¤ò -ÁªÂò¤¹¤ë»þ¤À¤±¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï»È¤ï¤ì¤Þ¤¹¡£¤³¤ì¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥¥ã¥ó¤Ë¤è -¤êµ¯¤³¤µ¤ì¤ë¥é¥ó¥À¥à¤Ê¥Ç¥£¥¹¥¯¥¢¥¯¥»¥¹¤Ï¡¢¥Æ¡¼¥Ö¥ë¤ò¥¹¥È¥ì¡¼¥È¤ËÆÉ¤à½ç¼¡ -Áöºº¤è¤ê¤âÃÙ¤¯¤Ê¤ë¤³¤È¤¬¤¢¤ë¤«¤é¤Ç¤¹¡£ -</P> - - <P>¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤«¤ò·èÄꤹ¤ë¤¿¤á¤Ë¡¢PostgreSQL ¤Ï¥Æ¡¼¥Ö¥ë¤Ë¤Ä¤¤ -¤Æ¤ÎÅý·×¾ðÊó¤ò»ý¤¿¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£¤³¤ÎÅý·×¾ðÊó¤Ï¡¢<SMALL>VACUUM -ANALYZE</SMALL>¤Þ¤¿¤Ï¡¢Ã±¤Ë <SMALL>ANALYZE</SMALL> ¤ò»È¤Ã¤Æ¼ý½¸¤¹¤ë¤³¤È -¤¬¤Ç¤¤Þ¤¹¡£Åý·×¾ðÊó¤ò»È¤Ã¤Æ¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤Ï¥Æ¡¼¥Ö¥ë¤ÎÃæ¤Ë¤¢¤ë¥í¥¦¿ô¤òÃÎ -¤ê¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ù¤¤«¤Î·èÄê¤ò¤è¤êÀµ¤·¤¯¤Ç¤¤Þ¤¹¡£Åý·×¾ðÊó¤ÏºÇŬ -¤Ê·ë¹ç½ç¤ä·ë¹çÊýË¡¤ò·è¤á¤ë¾å¤Ç¤âµ®½Å¤Ê¤â¤Î¤â¤¢¤ê¤Þ¤¹¡£Åý·×¾ðÊó¤Î¼ý½¸¤Ï¡¢ -¥Æ¡¼¥Ö¥ë¤ÎÆâÍÆ¤¬¤«¤ï¤ë¤ÈËè¤Ë·«ÊÖ¤·¤Ê¤µ¤ì¤ë¤Ù¤¤Ç¤¹¡£</P> - - <P> ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢Ä̾ï <SMALL>ORDER BY</SMALL> ¤ä·ë¹ç¤ò¹Ô¤Ê -¤¦¤¿¤á¤Ë¤Ï»È¤ï¤ì¤Þ¤»¤ó¡£½ç¼¡¥¹¥¥ã¥ó¤Ë³¤¯ÌÀ¼¨Åª¥½¡¼¥È¤Ï¡¢µðÂç¤Ê¥Æ¡¼¥Ö¥ë -¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥¥ã¥ó¤è¤ê¤âÉáÄ̤Ϲ⮤Ǥ¹¡£</P> -<P> - ¤·¤«¤·¡¢<SMALL>ORDER BY</SMALL>¤ÈÁȤ߹ç¤ï¤µ¤ì¤¿<SMALL>LIMIT</SMALL> -¤Ï¡¢¥Æ¡¼¥Ö¥ë¤Î¾®¤µ¤ÊÉôʬ¤òÊÖ¤¹¤¿¤á¤Ë¤¿¤Ó¤¿¤Ó¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ç¤·¤ç¤¦¡£ -¼ÂºÝ¡¢MAX() ¤ä MIN() ¤¬¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤ï¤Ê¤¤¤È¤·¤Æ¤â¡¢¤³¤Î¤è¤¦¤ÊÃͤò -ORDER BY ¤È LIMIT ¤ò»È¤Ã¤Æ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤¬²Äǽ¤Ç¤¹: -</P> - -<PRE> - SELECT col - FROM tab - ORDER BY col [ DESC ] - LIMIT 1; -</PRE> - - <P>¤â¤·¡¢¥ª¥×¥Æ¥£¥Þ¥¤¥¶¤¬´Ö°ã¤Ã¤Æ¥·¡¼¥±¥ó¥·¥ã¥ë¥¹¥¥ã¥ó¤òÁªÂò¤·¤¿¤³¤È¤Ëµ¿¤¤¤¬¤Ê¤±¤ì¤Ð¡¢<CODE>SET enable_seqscan TO 'off'</CODE>¤ò»È¤Ã¤Æ¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥¥ã¥ó¤Ç¤Þ¤Á¤¬¤¤¤Ê¤¯Â®¤¯¤Ê¤Ã¤Æ¤¤¤ë¤«¤ò¥Æ¥¹¥È¤ò¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£</P> - - <P> <SMALL>LIKE</SMALL> ¤¢¤ë¤¤¤Ï <I>~</I> ¤Î¤è¤¦¤Ê¥ï¥¤¥ë¥É¥«¡¼¥É±é»» -»Ò¤ÏÆÃÊ̤ʴĶ¤Ç¤·¤«»È¤¨¤Þ¤»¤ó¡§ -</P> - <UL> - <LI>¸¡º÷ʸ»úÎó¤¬Ê¸»úÎó¤ÎºÇ½é¤Ë¤¤¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡§ - <UL> - <LI><SMALL>LIKE</SMALL> ¥Ñ¥¿¡¼¥ó¤¬<I>%</I>¤Ç»Ï¤Þ¤é¤Ê¤¤</LI> - <LI><I>~</I> (Àµµ¬É½¸½) ¥Ñ¥¿¡¼¥ó¤Ï<I>^</I>¤Ç»Ï¤Þ¤é¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤</LI> - </UL></LI> - <LI>¸¡º÷ʸ»úÎó¤òʸ»ú¥¯¥é¥¹¤«¤é»Ï¤á¤ë¤³¤È¤Ï¤Ç¤¤Þ¤»¤ó¡£¤¿¤È¤¨¤Ð¡¢[a-e]¡£</LI> - <LI><SMALL>ILIKE</SMALL> ¤ä <I>~*</I> ¤Î¤è¤¦¤ÊÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤· - ¤Ê¤¤¸¡º÷¤Ï»È¤¨¤Þ¤»¤ó¡£¤½¤Î¤«¤ï¤ê¡¢¤³¤ÎFAQ¤Î<a href="#4.12">4.12</a>Àá¤ÇÀâÌÀ¤¹¤ë´Ø¿ô¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤¨¤Þ¤¹¡£</LI> - <LI><i>initdb</i> ¤Ë¤ª¤¤¤Æ¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Ç<I>C</I>¥í¥±¡¼¥ë¤¬»È¤ï¤ì¤Ê -¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤½¤ÎÍýͳ¤Ï¡¢C¥í¥±¡¼¥ë°Ê³°¤Ç¤Ï¼¡¤ËÂ礤Êʸ»ú¤òÃΤ뤳¤È -¤¬¤Ç¤¤Ê¤¤¤«¤é¤Ç¤¹¡£¤³¤Î¤è¤¦¤Ê¾ì¹ç¡¢<code>LIKE</code>¥¤¥ó¥Ç¥¯¥·¥ó¥°¤Ë¤À¤± -Ư¤¯¤è¤¦¤Ê¡¢ÆÃÊ̤Ê<code>text_pattern_ops</code>¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºîÀ® -¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£ -</LI> - </UL> - - <P>8.0¤è¤êÁ°¤Î¥ê¥ê¡¼¥¹¤Ç¤Ï¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¥Ç¡¼¥¿·¿¤¬¤Á¤ç¤¦¤É¥¤¥ó¥Ç¥Ã¥¯¥¹¤Î¥«¥é¥à¤Î·¿¤È°ìÃפ·¤Ê¤±¤ì¤Ð¡¢»È¤¨¤Ê¤¤¤³¤È¤¬¤·¤Ð¤·¤Ð¤¢¤ê¤Þ¤·¤¿¡£¤ª¤½¤é¤¯¡¢int2, int8, ¤ª¤è¤Ó numeric Åù¤Î¥«¥é¥à¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬¤½¤¦¤Ç¤¹¡£</P> -[ÌõÃí¡§ - ¶¯À©Åª¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ë¤Ï SET enable_seqscan = off ¤ò¼Â¹Ô¤·¤Þ¤¹¡£ -] +<h4><a name="4.12">4.12</a>) <small>OID</small> ¤È¤Ï²¿¤Ç¤¹¤«¡© <small>CTID</small> ¤È¤Ï²¿¤Ç¤¹¤«¡©</h4> + <p>PostgreSQL¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¥í¥¦¤Ï¡¢<small>WITHOUT OIDS</small> + ¤Ç¤Ä¤¯¤é¤ì¤Ê¤¤¤«¤®¤ê°ì°Õ¤Î<small>OID</small>¤òÆÀ¤Þ¤¹¡£ + O<small>ID</small>¤Ï¼«Æ°Åª¤Ë4¥Ð¥¤¥È¤ÎÀ°¿ô¤ÇÍ¿¤¨¤é¤ì¡¢¤½¤ì¤Ï¡¢Á´¥¤¥ó + ¥¹¥È¥ì¡¼¥·¥ç¥ó¤òÄ̤·¤Æ°ì°Õ¤ÊÃͤȤʤê¤Þ¤¹¡£¤·¤«¤·¡¢Ìó40²¯¤Ç¥ª¡¼¥Ð¡¼¥Õ + ¥í¡¼¤·¡¢¤½¤·¤Æ¡¢O<small>ID</small>¤Ï½ÅÊ£¤ò¤·¤Ï¤¸¤á¤Þ¤¹¡£PostgreSQL¤Ï + ÆâÉô¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ë¤ò°ì½ï¤Ë¥ê¥ó¥¯¤¹¤ët¤¿¤á¤ËO<small>ID</small> ¤ò»È + ¤¤¤Þ¤¹¡£ -<H4><A NAME="4.9">4.9</A>) Ì䤤¹ç¤ï¤»¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¤É¤Î¤è¤¦¤ËÌ䤤¹ç¤ï¤»¤òɾ²Á¤¹¤ë¤Î¤«¤ò¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© -</H4> + <p>¥æ¡¼¥¶¤Î¥Æ¡¼¥Ö¥ë¤Î¥«¥é¥à¤Ë°ì°Õ¤ÎÈÖ¹æ¤òÉÕ¤±¤ë¤¿¤á¤Ë¤Ï¡¢ + O<small>ID</small> ¤Ç¤Ï¤Ê¤¯ <small>SERIAL</small> ¤ò»È¤¦¤Î¤¬ºÇ¤â¤è¤¤ + ¤Ç¤·¤ç¤¦¡£<small>SERIAL</small>¤ÎÏ¢ÈÖ¤Ï1¤Ä¤Î¥Æ¡¼¥Ö¥ëÆâ¤Ç¤Î¤ß°ì°Õ¤Ë¤Ê + ¤ë¤«¤é¤Ç¡¢¥ª¡¼¥Ð¡¼¥Õ¥í¡¼¤òµ¯¤³¤·¤Ë¤¯¤¤¤È¹Í¤¨¤é¤ì¤Þ¤¹¡£ + 8¥Ð¥¤¥È¤Î¥·¡¼¥±¥ó¥¹ÃͤòÊݸ¤¹¤ë¤¿¤á¤Ë¡¢<small>SERIAL8</small>¤¬¤¢¤ê + ¤Þ¤¹¡£</p> -<P> ¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç <SMALL>EXPLAIN</SMALL> ¤ò¸«¤Æ²¼¤µ¤¤¡£ -</P> + <p>C<small>TID</small> ¤Ï¡¢ÆÃÄê¤ÎʪÍý¥í¥¦¤ò¥Ö¥í¥Ã¥¯¤È¥ª¥Õ¥»¥Ã¥È¤ÎÃÍ + ¤Ç¼±Ê̤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£C<small>TID</small>¤Ï¡¢¥í¥¦¤¬½¤Àµ¤µ¤ì¤¿ + ¤êºÆÆÉ¹þ¤ß¤µ¤ì¤¿¤È¤¤ËÊѤï¤ê¤Þ¤¹¡£¤Þ¤¿¡¢ÊªÍý¥í¥¦¤òº¹¤¹¤¿¤á¤Ë¥¤¥ó¥Ç¥Ã + ¥¯¥¹¤ÎµºÜ¤Ë»È¤ï¤ì¤Þ¤¹¡£</p> -<H3><A NAME="4.10">4.10</A>) R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤È¤Ï²¿¤Ç¤¹¤«¡©</H3> -<P> R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¶õ´ÖŪ¤Ê¥Ç¡¼¥¿¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òÉÕ¤±¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£¥Ï¥Ã¥·¥å¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤ÏÈϰϤθ¡º÷¤¬¤Ç¤¤Þ¤»¤ó¡£¤Þ¤¿¡¢B-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï¡¢£±¼¡¸µ¤Ç¤·¤«ÈϰϤθ¡º÷¤¬¤Ç¤¤Þ¤»¤ó¡£R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤¢¤ì¤Ð¿¼¡¸µ¤Î¥Ç¡¼¥¿¤ò°·¤¨¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢¤â¤· R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò <I>point</I> ·¿¤Î°À¤ËÉÕ¤±¤ë¤³¤È¤¬¤Ç¤¤ë¤È¤¹¤ë¤È¥·¥¹¥Æ¥à¤Ï¡¢¡ÖĹÊý·Á¤Ë°Ï¤Þ¤ì¤¿ÅÀ¤ò¤¹¤Ù¤ÆÁªÂò¤¹¤ë¡×¤È¤¤¤¦¤è¤¦¤ÊÌ䤤¹ç¤ï¤»¤Ë¡¢¤è¤ê¸úΨÎɤ¯Åú¤¨¤é¤ì¤Þ¤¹¡£ -</P> +<h4><a name="4.13">4.13</a>) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ <i>"ERROR: Memory exhausted in AllocSetAlloc()"</i>¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©</h4> -<P> R-Tree ¤ÎÀ߷פθ¶Åµ¤È¤Ê¤ë¸¢°Ò¤¢¤ëÏÀʸ¤Ï: -</P> + <p>¤ª¤½¤é¤¯¡¢¥·¥¹¥Æ¥à¤Î²¾ÁÛ¥á¥â¥ê¡¼¤òÁ´¤Æ»È¤¤²Ì¤¿¤·¤Æ¤·¤Þ¤Ã¤Æ¤¤¤ë²Ä + ǽÀ¤¬¤¢¤ë¤«¡¢¥«¡¼¥Í¥ë¤¬¤¢¤ë¥ê¥½¡¼¥¹¤Ë¤Ä¤¤¤Æ¤â¤ÄÀ©¸ÂÃͤ¬Ä㤹¤®¤ë²Äǽ + À¤¬¤¢¤ê¤Þ¤¹¡£<i>postmaster</i> ¤ò»Ïư¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡§</p> -<P> Guttman, A. "R-Trees: A Dynamic Index Structure for Spatial Searching." -Proceedings of the 1984 ACM SIGMOD Int'l Conf on Mgmt of Data, 45-57. -</P> +<pre> + ulimit -d 262144 + limit datasize 256m +</pre> -<P> ¤³¤ÎÏÀʸ¤Ï¡¢Stonebraker ¶µ¼ø¤Î "Readings in Database Systems" -¤Ç¤â¼è¤ê¾å¤²¤é¤ì¤Æ¤¤¤Þ¤¹¡£ -</P> + ¥·¥§¥ë¤Ë¤è¤Ã¤Æ¡¢¤É¤Á¤é¤«¤Ò¤È¤Ä¤¬À®¸ù¤¹¤ë¤Ç¤·¤ç¤¦¤¬¡¢¤³¤ì¤Ï¥×¥í¥»¥¹¤Î + ¥Ç¡¼¥¿¥»¥°¥á¥ó¥ÈÀ©¸Â¤ò¤è¤ê¹â¤¯ÀßÄꤷ¡¢¤¿¤Ö¤ó¥¯¥¨¥ê¤¬´°·ë¤¹¤ë¤è¤¦¤Ë¤Ê + ¤ë¤Ç¤·¤ç¤¦¡£¤³¤Î¥³¥Þ¥ó¥É¤Ï¸½¹Ô¤Î¥×¥í¥»¥¹¤È¡¢¤³¤Î¥³¥Þ¥ó¥É¤òÁö¤é¤»¤¿¸å + ¤Ëºî¤é¤ì¤ëÁ´¤Æ¤Î¥µ¥Ö¥×¥í¥»¥¹¤Ë¤Ä¤¤¤ÆÅ¬ÍѤµ¤ì¤Þ¤¹¡£¥Ð¥Ã¥¯¥¨¥ó¥É¤¬¤È¤Æ + ¤â¿¤¯¤Î¥Ç¡¼¥¿¤òÊÖ¤¹¤¿¤á¤Ë<small>SQL</small> ¥¯¥é¥¤¥¢¥ó¥È¤ÇÌäÂ꤬³ + ¤¤¤Æ¤¤¤ë¤Î¤Ç¤¢¤ì¤Ð¡¢¥¯¥é¥¤¥¢¥ó¥È¤ò³«»Ï¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À¤µ + ¤¤¡£ -<PRE> - [ÌõÃí¡§ - ÆàÎÉÀèüÂç¤ÎÀÐÀî²Â¼£¤µ¤ó¤è¤êR-Tree´Ø·¸¤Îʸ¸¥¤ò¾Ò²ð¤·¤ÆÄº¤¤Þ¤·¤¿¡£ - ÆüËܸì Postgres ML ¤Î¥¢¡¼¥«¥¤¥Ö¤«¤é "Subject: [postgres95 801] spatial data structures" - <A HREF="http://www.sra.co.jp/people/t-ishii/PostgreSQL/mhonarc/pgsql-jp/1996Oct/msg00007.html">http://www.sra.co.jp/people/t-ishii/PostgreSQL/mhonarc/pgsql-jp/1996Oct/msg00007.html</A> - ¤ò¤´Í÷²¼¤µ¤¤¡£ - ] -</PRE> +<h4><a name="4.14">4.14</a>) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òÁö¤é¤»¤Æ¤¤¤ë¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<br /></h4> -<P> Áȹþ¤ß¤Î R-Tree ¤Ç¥Ý¥ê¥´¥ó¤ä¥Ü¥Ã¥¯¥¹¤òÁàºî¤Ç¤¤Þ¤¹¡£ÍýÏÀŪ¤Ë¤ÏR-Tree ¤Ï¤â¤Ã¤È¹â¤¤¼¡¸µ¤òÁàºî¤¹¤ë¤è¤¦¤Ë¤â³ÈÄ¥¤Ç¤¤Þ¤¹¡£¼Â¼ÁŪ¤Ë¤Ï¡¢R-Tree ¤Î³ÈÄ¥¤Ë¤Ï¤Á¤ç¤Ã¤È¤·¤¿ºî¶È¤¬É¬ÍפǤ·¤Æ¡¢¸½ºß¡¢²æ¡¹¤Ï¤½¤ì¤ò¤É¤Î¤è¤¦¤Ë¤¹¤ë¤«¤Ë¤Ä¤¤¤Æ¤Îʸ½ñ¤ò»ý¤Ã¤Æ¤¤¤Þ¤»¤ó¡£ -</P> + <p><i>psql</i> ¤«¤é <CODE>SELECT version();</CODE> ¤ò¥¿¥¤¥×¤·¤Þ¤¹¡£</p> -<PRE> - [ÌõÃí¡§ - R-Tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ÏGiST¤Ç³«È¯¤µ¤ì¤Æ¤¤¤Þ¤¹¡£ - <a href="http://www.sai.msu.su/~megera/postgres/gist/">http://www.sai.msu.su/~megera/postgres/gist/</a> - ] -</PRE> +<h4><a name="4.15">4.15</a>) ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤Ê¥«¥é¥à¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡©<br /></h4> -<H4><A NAME="4.11">4.11</A>) °äÅÁŪÌ䤤¹ç¤ï¤»ºÇŬ²½¤È¤Ï²¿¤Ç¤¹¤«¡© -</H4> + <p><i>CURRENT_TIMESTAMP</i>¤ò»È¤¤¤Þ¤¹:</p> +<pre> + CREATE TABLE test (x int, modtime TIMESTAMP DEFAULT CURRENT_TIMESTAMP ); +</pre> -<P> GEQO ¥â¥¸¥å¡¼¥ë¤Ï¡¢Âô»³¤Î¥Æ¡¼¥Ö¥ë¤ò·ë¹ç¤¹¤ë¤È¤¤Ë¡¢°äÅÁŪ¥¢¥ë¥´¥ê¥º¥à(GA)¤ÇÌä¹ç¤ï¤»¤ò¹â®²½¤·¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢¤·¤é¤ß¤Ä¤Ö¤·¤Ëõº÷¤ò¹Ô¤Ê¤ï¤Ê¤¯¤Æ¤â¡¢Â礤ʷë¹ç(join queries)¤ò°·¤¦¤³¤È¤¬¤Ç¤¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ -</P> -<H4><A NAME="4.12">4.12</A>) Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É¤Î¤è¤¦¤Ë»È¤¤¤Þ¤¹¤«¡© -</H4> +<h4><a name="4.16">4.16</a>) <i>³°Éô</i>·ë¹ç(<i>outer</i> join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«?<br /></h4> -<P> -<I>~</I>±é»»»Ò¤ÏÀµµ¬É½¸½¾È¹ç¤ò¹Ô¤Ê¤¤¡¢<I>~*</I> ¤ÏÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤(case-insensitive)Àµµ¬É½¸½¾È¹ç¤ò¹Ô¤¤¤Þ¤¹¡£ Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ <SMALL>LIKE</SMALL> ±é»»»Ò¤ò <SMALL>ILIKE</SMALL> ¤È¤¤¤¤¤Þ¤¹¡£ -</P> + <p>PostgreSQL ¤Ï SQL ɸ½à¹½Ê¸¤ò»È¤¦³°Éô·ë¹ç(¥¢¥¦¥¿¡¼¥¸¥ç¥¤¥ó)¤ò¥µ¥Ý¡¼ + ¥È¤·¤Þ¤¹¡£¤³¤³¤Ë 2¤Ä¤ÎÎãÂ꤬¤¢¤ê¤Þ¤¹¡£</p> -<P>Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ÅùÃÍÈæ³Ó¤Ï¼¡¤Î¤è¤¦¤Ëɽ¸½¤Ç¤¤ë¡§ -</P> - -<PRE> +<pre> SELECT * - FROM tab - WHERE lower(col) = 'abc'; -</PRE> -<P> -ɸ½à¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï»È¤ï¤ì¤º¡¢¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·´Ø¿ô¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò -ºî¤Ã¤¿¤Ê¤é¤½¤ì¤¬»È¤ï¤ì¤ë¤Ç¤·¤ç¤¦¡£ -</P> - <PRE> - CREATE INDEX tabindex ON tab (lower(col)); - </PRE> - - -<H4><A NAME="4.13">4.13</A>) Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬ <SMALL>NULL</SMALL> ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© -</H4> - - <P>¥«¥é¥à¤ò <SMALL>IS NULL</SMALL> ¤È <SMALL>IS NOT NULL</SMALL> -¤È¤Ç»î¤·¤Æ¤ß¤Þ¤¹¡£</P> - -<H4><A NAME="4.14">4.14</A>) ÍÍ¡¹¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© -</H4> - -<PRE> -Type Internal Name Notes --------------------------------------------------- -VARCHAR(n) varchar ºÇÂçĹ¤Î¥µ¥¤¥º¤ò»ØÄꤹ¤ë¡¢µÍ¤áʪ̵¤· -CHAR(n) bpchar »ØÄꤵ¤ì¤¿¸ÇÄêĹ¤È¤Ê¤ë¤è¤¦¤Ë¶õÇò¤¬µÍ¤á¤é¤ì¤ë -TEXT text Ťµ¤Ë¾å¸Â¤Î̵¤¤¥Æ¥¥¹¥È -BYTEA bytea ²ÄÊÑĹ¤Î¥Ð¥¤¥ÈÇÛÎó(null-byte safe) -"char" char £±Ê¸»ú -</PRE> - -<P> ÆâÉô̾¤Ë¤ªÌܤˤ«¤«¤ë¤Î¤Ï¡¢¥·¥¹¥Æ¥à¡¦¥«¥¿¥í¥°¤òÄ´¤Ù¤ë¤È¤¤ä¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò¼õ¤±¼è¤ë¤È¤¤Ç¤¹¡£ -</P> - -<P> ¾åµ¤Î·¿¤Î¤¦¤ÁºÇ½é¤Î£´¤Ä¤Î·¿¤Ï "varlena" ·¿¤Ç¤¹(¤¹¤Ê¤ï¤Á¡¢¥Ç¥£¥¹¥¯¤ÎºÇ½é¤Î£´¥Ð¥¤¥È¤¬¥Ç¡¼¥¿Ä¹¤Ç¡¢¤½¤ì¤Î¸å¤Ë¼ÂºÝ¤Î¥Ç¡¼¥¿¤¬Â³¤¤Þ¤¹)¡£¤³¤Î¤è¤¦¤Ë¼ÂºÝ¤Î¶õ´Ö¤ÏÀë¸À¤µ¤ì¤¿Â礤µ¤è¤ê¤â¾¯¤·Â礤¯¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤³¤ì¤é¤Î¥Ç¡¼¥¿·¿¤Ï<SMALL>TOAST</SMALL>¤Ë¤è¤ê°µ½Ì¤µ¤ì¤¿¤êÊ£¿ô¥í¥¦¤ËÅϤäÆÊݸ¤µ¤ì¤¿¤ê¤·¤Æ¡¢¥Ç¥£¥¹¥¯¾å¤Î¶õ´Ö¤Ï»×¤Ã¤¿¤è¤ê¾®¤µ¤¯¤Ê¤ê¤Þ¤¹¡£ -</P> - -<P><SMALL>VARCHAR(n)</SMALL> ¤Ï²ÄÊÑŤÎʸ»úÎó¤òÊݸ¤¹¤ë¤Î¤ËºÇŬ¤Ç¤¹¤¬¡¢Êݸ¤Ç¤¤ëʸ»úÎó¤ÎŤµ¤ËÀ©¸Â¤¬¤¢¤ê¤Þ¤¹¡£<SMALL>TEXT</SMALL> ¤ÏŤµ¤ËÀ©¸Â¤Î̵¤¤Ê¸»úÎó¤ÎÊݸ¤Î¤¿¤á¤Î¤â¤Î¤Ç¡¢ºÇÂç¤Ç 1¥®¥¬¥Ð¥¤¥È¤Ç¤¹¡£ <SMALL>CHAR(n)</SMALL>¤Ï¡¢<SMALL>VARCHAR(n)</SMALL>¤¬Í¿¤¨¤é¤ì¤¿Ê¸»ú¤À¤±¤òÊݸ¤¹¤ë¤Î¤ËÂФ·¡¢¥Ö¥é¥ó¥¯¤òµÍ¤á¹þ¤ó¤Ç¤¤¤Ä¤âƱ¤¸Ä¹¤µ¤Çʸ»úÎó¤òÊݸ¤¹¤ë¤Î¤ËºÇŬ¤Ç¤¹¡£<SMALL>BYTEA</SMALL>¤Ï¡¢ÉôʬŪ¤Ë<SMALL>NULL</SMALL> ¤Î¥Ð¥¤¥È¤ò´Þ¤à¥Ð¥¤¥Ê¥ê¥Ç¡¼¥¿¤òÊݸ¤¹¤ë¤¿¤á¤Î¤â¤Î¤Ç¤¹¡£¤³¤ì¤é¤Î¥¿¥¤¥×¤ÏƱ¤¸¤¯¤é¤¤¤ÎÀǽÆÃÀ¤ò¤â¤Á¤Þ¤¹¡£</P> - -<H4><A NAME="4.15.1">4.15.1</A>) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© -</H4> - -<P> PostgreSQL ¤Ï <SMALL>SERIAL</SMALL> ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¥«¥é¥à¾å¤Ë¥·¡¼¥±¥ó¥¹¤ò¼«Æ°ºîÀ®¤·¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ -</P> - -<PRE> - CREATE TABLE person ( - id SERIAL, - name TEXT - ); -</PRE> -<P> -¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹: -</P> -<PRE> - CREATE SEQUENCE person_id_seq; - CREATE TABLE person ( - id INT4 NOT NULL DEFAULT nextval('person_id_seq'), - name TEXT - ); - - [ÌõÃí¡§ - CREATE UNIQUE INDEX person_id_key ON person ( id ); - ¤Ï¡¢ 7.3 ¤«¤é¤Ï¼«Æ°Åª¤Ë¤Ï¹Ô¤Ê¤ï¤ì¤Ê¤¯¤Ê¤ê¤Þ¤·¤¿¡£ - ] -</PRE> -<P> -ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç <I>create_sequence</I> ¤ò¤´Í÷²¼¤µ¤¤¡£ -</P> -<P> ¤Þ¤¿¡¢³Æ¥í¥¦¤Î<I>OID</I>¥Õ¥£¡¼¥ë¥É¤ò°ì°ÕÃͤȤ·¤Æ»È¤¦¤³¤È¤â¤Ç¤¤Þ¤¹¡£¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·¤â¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥À¥ó¥×¤·¤Æ¥ê¥í¡¼¥É¤¹¤ëɬÍפ¬¤¢¤ë¾ì¹ç¤Ï¡¢<SMALL>OID</SMALL>¤ò²¹Â¸¤¹¤ë¤¿¤á¤Ë<I>pg_dump</I> ¤Ç <I>-o</I>¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤«¡¢¤Þ¤¿¤Ï¡¢<SMALL>COPY WITH OIDS</small>¥ª¥×¥·¥ç¥ó¤ò»È¤¦É¬Íפ¬¤¢¤ê¤Þ¤¹¡£ -</P> - -<H4><A NAME="4.15.2">4.15.2</A>) <SMALL>SERIAL</SMALL>¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© -</H4> - <P>¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢<I>nextval()</I> ´Ø¿ô¤ò»È¤Ã¤Æ¤½¤ÎÃͤòÁÞÆþ¤¹¤ë<I>Á°(before)¤Ë</I> SEQUENCE ¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤Î <SMALL>SERIAL</SMALL> Ãͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤¹¡£<A HREF="#4.15.1">4.15.1</A> ¤Î¥Æ¡¼¥Ö¥ë¤ÎÎã¤ò»È¤¦¤È¤¹¤ë¤È¡¢µ¿»÷¸À¸ì¤Ç¤Ï¤³¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ -</P> - -<PRE> - new_id = execute("SELECT nextval('person_id_seq')"); - execute("INSERT INTO person (id, name) VALUES (new_id, 'Blaise Pascal')"); -</PRE> - -<P> -¤½¤¦¤·¤Æ¡¢<tt>new_id</tt> ¤ËÊݸ¤·¤¿¿·¤·¤¤Ãͤò¾¤ÎÌ䤤¹ç¤ï¤»¤Ë(¤¿¤È¤¨¤Ð¡¢<tt>person</tt> ¥Æ¡¼¥Ö¥ë¤ËÂФ¹¤ë³°Éô¥¡¼(foreign key)¤Î¤è¤¦¤Ë)»È¤¦¤È¤è¤¤¤Ç¤·¤ç¤¦¡£¼«Æ°Åª¤Ëºî¤é¤ì¤¿<SMALL>SEQUENCE</SMALL>¥ª¥Ö¥¸¥§¥¯¥È¤Î̾Á°¤Ï¡¢<<I>table</I>>_<<I>serialcolumn</I>>_<I>seq</I> ¤Î¤è¤¦¤Ë¤Ê¤ê¡¢¤³¤Î¤¦¤Á¡¢<I>table</I> ¤È <I>serialcolumn</I> ¤Ï¤½¤ì¤¾¤ì¥Æ¡¼¥Ö¥ë¤Î̾Á°¤È<SMALL>SERIAL</SMALL>¥«¥é¥à¤Î̾Á°¤Ç¤¹¡£ -</P> -<P> -¤¢¤ë¤¤¤Ï¡¢Í¿¤¨¤é¤ì¤¿<SMALL>SERIAL</SMALL>Ãͤò¡¢¤½¤ì¤¬´ûÄêÃͤȤ·¤ÆÁÞÆþ¤µ¤ì¤¿<I>¸å¤Ç(after)</I>¡¢ <I>currval()</I> ´Ø¿ô¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤â¤Ç¤¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ -</P> - -<PRE> - execute("INSERT INTO person (name) VALUES ('Blaise Pascal')"); - new_id = execute("SELECT currval('person_id_seq')"); -</PRE> - -<P> -ºÇ¸å¤Ë¡¢<SMALL>INSERT</SMALL>ʸ¤«¤éÊÖ¤ë<A HREF="#4.17"><SMALL>OID</SMALL></A>¤ò»È¤Ã¤Æ¡¢´ûÄêÃͤò¤ß¤Ä¤±¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¤¬¡¢¤·¤«¤·¡¢oid¤ÎÃͤÏ40²¯¤Ë㤹¤ë¤È¤â¤È¤ËÌá¤Ã¤Æ¤·¤Þ¤¤¡¢ºÇ¤â°Ü¿¢À¤ÎÄ㤤¤ä¤êÊý¤È¤Ê¤ë¤Ç¤·¤ç¤¦¡£Perl DBI ¤Î DBD::Pg ¥â¥¸¥å¡¼¥ë¤ò»È¤¨¤Ð¡¢$sth->execute() ¤Î¸å¤Ë $sth->{pg_oid_status} ¤ò·Ðͳ¤·¤Æ¤½¤Î OID Ãͤò»È¤¨¤ë¤è¤¦¤Ë¤¹¤ë¤³¤È¤Ï¤Ç¤¤Þ¤¹¡£ -</P> - -<H4><A NAME="4.15.3">4.15.3</A>) <I>currval()</I> ¤Ï¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂ֤˴٤뤳¤È¤Ï¤Ê¤¤¤Ç¤¹¤«¡© -</H4> - - <P>¤½¤ì¤Ï¤¢¤ê¤Þ¤»¤ó¡£<I>currval()</I> ¤Ï¡¢¤¹¤Ù¤Æ¤Î¥æ¡¼¥¶¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢¤¢¤Ê¤¿¤Î¥Ð¥Ã¥¯¥¨¥ó¥É¤ËÍ¿¤¨¤é¤ì¤¿¸½ºß¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£ -</P> - -<H4><A name="4.15.4">4.15.4</A>) ¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤ·¤¿¤È¤¤Ë¤â¤¦¤¤¤Á¤É¥·¡¼¥±¥ó¥¹Èֹ椬»È¤ï¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©¥·¡¼¥±¥ó¥¹¡¿SERIAL¥«¥é¥à¤Ë¶õ¤¤¬¤¢¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© -</H4> - - <P>Ʊ»þÀ¤ò²þÁ±¤¹¤ë¤¿¤á¤Ë¡¢¼Â¹ÔÃæ¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Ë¡¢É¬Íפǥȥé¥ó¥¶¥¯¥·¥ç¥ó¤¬½ªÎ»¤¹¤ë¤Þ¤Ç¥í¥Ã¥¯¤µ¤ì¤Ê¤¤¥·¡¼¥±¥ó¥¹ÃͤòÍ¿¤¨¤Æ¤¤¤Þ¤¹¡£¤³¤Î¤¿¤á¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤¬ÃæÃǤµ¤ì¤ë¤ÈÈÖ¹æ³ä¤êÅö¤Æ¤Ë¥®¥ã¥Ã¥×¤òÀ¸¤¸¤Þ¤¹¡£ -</P> - -<H4><A NAME="4.16">4.16</A>) <SMALL>OID</SMALL> ¤È¤Ï²¿¤Ç¤¹¤«¡© <SMALL>TID</SMALL> ¤È¤Ï²¿¤Ç¤¹¤«¡© -</H4> - -<P> <SMALL>OID</SMALL> ¤È¤Ï°ì°Õ¤Î¥í¥¦ID ¤ËÂФ¹¤ë PostgreSQL ¤ÎÅú¤¨¤Ç¤¹¡£PostgreSQL ¤ÎÃæ¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¥í¥¦¤Ï°ì°Õ¤Î <SMALL>OID</SMALL> ¤òÆÀ¤Þ¤¹¡£<I>initdb</I> ¤ÇȯÀ¸¤µ¤ì¤ë <SMALL>OID</SMALL> ¤Ï¤¹¤Ù¤Æ 16384 (<I>include/access/transam.h</I> ¤«¤é)¤è¤ê¾®¤µ¤ÊÃͤǤ¹¡£<I>initdb</I> ¸å¤Î¤¹¤Ù¤Æ¤Î <SMALL>OID</SMALL> (¥æ¡¼¥¶ºîÀ®)¤Ï¤½¤ì°Ê¾å¤ÎÃͤˤʤê¤Þ¤¹¡£ -´ûÄê¤Ç¤Ï¡¢¤³¤ì¤é¤¹¤Ù¤Æ¤Î <SMALL>OID</SMALL>¤Ï°ì¤Ä¤Î¥Ç¡¼¥Ö¥ë¤ä¥Ç¡¼¥¿¥Ù¡¼¥¹Æâ¤Ëα¤Þ¤é¤º¡¢PostgreSQL ¥¤¥ó¥¹¥È¥ì¡¼¥·¥ç¥óÁ´ÂΤÎÃæ¤Ç°ì°Õ¤Ç¤¹¡£ -</P> - -<P> PostgreSQL ¤Ï¥Æ¡¼¥Ö¥ë´Ö¤Î¥í¥¦¤ò·ë¤Ó¤Ä¤±¤ë¤¿¤á¤Ë¡¢¤½¤Î¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ëÆâ¤Ë <SMALL>OID</SMALL> ¤ò»È¤¤¤Þ¤¹¡£¤³¤Î <SMALL>OID</SMALL> ¤ÏÆÃÄê¤Î¥æ¡¼¥¶¤Î¥í¥¦¤ò¼±Ê̤¹¤ë¤¿¤á¤ä·ë¹ç¤ÎÃæ¤Ç»È¤ï¤ì¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£<SMALL>OID</SMALL> ¤ÎÃͤòÊݸ¤¹¤ë¤¿¤á¤Ë¤Ï <I>OID</I> ·¿¤ò¥«¥é¥à¤Ë»È¤¦¤³¤È¤ò¾©¤á¤Þ¤¹¡£¤è¤ê®¤¯¥¢¥¯¥»¥¹¤¹¤ë¤¿¤á¤Ë <I>OID</I> ¥Õ¥£¡¼¥ë¥É¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºî¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ - - O<SMALL>ID</SMALL> ¤Ï¡¢Á´¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ç»È¤ï¤ì¤ëÃæ±ûÎΰ褫¤é¡¢Á´¤Æ¤Î¿·¤·¤¤¥í¥¦¤Ë³ä¤êÅö¤Æ¤é¤ì¤Þ¤¹¡£<SMALL>OID</SMALL> ¤ò¾¤Î²¿¤«¤ËÊѤ¨¤¿¤¤¡¢¤¢¤ë¤¤¤Ï¸µ¤Î <SMALL>OID</SMALL> ¤â¥Æ¡¼¥Ö¥ë¤È°ì½ï¤Ë¥³¥Ô¡¼¤·¤¿¤¤¤Î¤Ê¤é¡¢¤Ç¤¤Ê¤¯¤Ï¤¢¤ê¤Þ¤»¤ó¡£ - -</P> - -<PRE> - CREATE TABLE new_table(mycol int); - SELECT oid AS old_oid, mycol INTO tmp_table FROM old_table; - COPY tmp_table TO '/tmp/pgtable'; - COPY new_table WITH OIDS FROM '/tmp/pgtable'; - DROP TABLE tmp_table; -</PRE> - -<P> O<SMALL>ID</SMALL> ¤Ï¡¢4¥Ð¥¤¥È¤ÎÀ°¿ô¤È¤·¤ÆÊݸ¤µ¤ì¤Æ¤¤¤ë¤Î¤Ç¡¢40²¯¤ò±Û¤¨¤ë¤È°î¤ì¤Æ¤·¤Þ¤¦¤Ç¤·¤ç¤¦¡£Ã¯¤â¤³¤ì¤¬µ¯¤¤¿¤ÈÊó¹ð¤·¤Æ¤¯¤ë¿Í¤Ï¤¤¤Þ¤»¤ó¤Ç¤·¤¿¤¬¡¢¤½¤¦¤Ê¤ëÁ°¤Ë¤³¤ÎÀ©¸Â¤ò¼è¤ê½ü¤¯¤³¤È¤ò·×²è¤·¤Æ¤¤¤Þ¤¹¡£ -</P> - -<P> T<SMALL>ID</SMALL> ¤ÏÆÃÄê¤ÎʪÍý¥í¥¦¤ò¤½¤Î¥Ö¥í¥Ã¥¯¤È¥ª¥Õ¥»¥Ã¥ÈÃͤǼ±Ê̤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£<SMALL>TID</SMALL> ¤Ï¥í¥¦¤¬½¤Àµ¤µ¤ì¤¿¤êºÆ¥í¡¼¥É¤µ¤ì¤ë¤ÈÊѤï¤ê¤Þ¤¹¡£¤½¤ì¤é¤Î <SMALL>TID</SMALL> ¤Ï¡¢ÊªÍý¥í¥¦¤ò»Ø¤¹¤¿¤á¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹µºÜ¤Ç»È¤ï¤ì¤Þ¤¹¡£ -</P> - -<H4><A NAME="4.17">4.17</A>) PostgreSQL ¤Ç»È¤ï¤ì¤ë¤¤¤¯¤Ä¤«¤ÎÍѸì¤Î°ÕÌ£¤Ï²¿¤Ç¤¹¤«¡© -</H4> - -<P> ¤¤¤¯¤Ä¤«¤Î¥½¡¼¥¹¥³¡¼¥É¤ä¸Å¤¤Ê¸½ñ¤ÎÃæ¤Ë¤Ï¡¢¤½¤ì¤¾¤ÎÀìÌçʬÌî¤ÎÃæ¤Ç¤â¤Ã¤È°ìÈÌŪ¤Ë»È¤ï¤ì¤ëÀìÌçÍѸ줬»È¤ï¤ì¤Æ¤¤¤Þ¤¹¡£ -</P> - -<UL> -<LI> ¥Æ¡¼¥Ö¥ë(table)¡¢´Ø·¸(relation)¡¢¥¯¥é¥¹(class)</LI> -<LI> ¥í¥¦(row)¡¢¥ì¥³¡¼¥É(record)¡¢¥¿¥Ã¥×¥ë(tuple)</LI> -<LI> ¥«¥é¥à(column)¡¢¥Õ¥£¡¼¥ë¥É(field)¡¢Â°À(attribute)</LI> -<LI> ¼èÆÀ(retrieve)¡¢ÁªÂò(select)</LI> -<LI> ÃÖ´¹(replace)¡¢¹¹¿·(update)</LI> -<LI> ÄɲÃ(append)¡¢ÁÞÆþ(insert)</LI> -<LI> <SMALL>OID</SMALL>, Ï¢ÈÖ(serial value)</LI> -<LI> ¥Ý¡¼¥¿¥ë(portal), ¥«¡¼¥½¥ë(cursor)</LI> -<LI> ÎΰèÊÑ¿ô(range variable)¡¢¥Æ¡¼¥Ö¥ë̾(table name)¡¢¥Æ¡¼¥Ö¥ëÊÌ̾(table alias)</LI> -</UL> -<P>°ìÈÌŪ¤Ê¥Ç¡¼¥¿¥Ù¡¼¥¹ÍѸì¤Î¥ê¥¹¥È¤Ï¡§<a -href="http://hea-www.harvard.edu/MST/simul/software/docs/pkgs/pgsql/glossary/glossary.html">http://hea-www.harvard.edu/MST/simul/software/docs/pkgs/pgsql/glossary/glossary.html</A> -¤Ç¸«¤Ä¤±¤é¤ì¤Þ¤¹¡£</P> - -<H4><A NAME="4.18">4.18</A>) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ <I>"ERROR: Memory exhausted in AllocSetAlloc()"</I>¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© -</H4> -<P> -¤ª¤½¤é¤¯¡¢¥·¥¹¥Æ¥à¤Î²¾ÁÛ¥á¥â¥ê¡¼¤òÁ´¤Æ»È¤¤²Ì¤¿¤·¤Æ¤·¤Þ¤Ã¤Æ¤¤¤ë²ÄǽÀ¤¬¤¢¤ë¤«¡¢¥«¡¼¥Í¥ë¤¬¤¢¤ë¥ê¥½¡¼¥¹¤Ë¤Ä¤¤¤Æ¤â¤ÄÀ©¸ÂÃͤ¬Ä㤹¤®¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£ -<I>postmaster</I> ¤ò»Ïư¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡§ -</P> - -<PRE> - ulimit -d 262144 - limit datasize 256m -</PRE> - -<P> -¥·¥§¥ë¤Ë¤è¤Ã¤Æ¡¢¤É¤Á¤é¤«¤Ò¤È¤Ä¤¬À®¸ù¤¹¤ë¤Ç¤·¤ç¤¦¤¬¡¢¤³¤ì¤Ï¥×¥í¥»¥¹¤Î¥Ç¡¼¥¿¥»¥°¥á¥ó¥ÈÀ©¸Â¤ò¤è¤ê¹â¤¯ÀßÄꤷ¡¢¤¿¤Ö¤óÌ䤤¹ç¤ï¤»¤¬´°·ë¤¹¤ë¤è¤¦¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£¤³¤Î¥³¥Þ¥ó¥É¤Ï¸½¹Ô¤Î¥×¥í¥»¥¹¤È¡¢¤³¤Î¥³¥Þ¥ó¥É¤òÁö¤é¤»¤¿¸å¤Ëºî¤é¤ì¤ëÁ´¤Æ¤Î¥µ¥Ö¥×¥í¥»¥¹¤Ë¤Ä¤¤¤ÆÅ¬ÍѤµ¤ì¤Þ¤¹¡£¥Ð¥Ã¥¯¥¨¥ó¥É¤¬¤È¤Æ¤â¿¤¯¤Î¥Ç¡¼¥¿¤òÊÖ¤¹¤¿¤á¤Ë<SMALL>SQL</SMALL> ¥¯¥é¥¤¥¢¥ó¥È¤ÇÌäÂ꤬³¤¤¤Æ¤¤¤ë¤Î¤Ç¤¢¤ì¤Ð¡¢¥¯¥é¥¤¥¢¥ó¥È¤ò³«»Ï¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£ -</P> - -<H4><A NAME="4.19">4.19</A>) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òÁö¤é¤»¤Æ¤¤¤ë¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<BR> -</H4> -<P> -<I>psql</I> ¤«¤é <CODE>SELECT version();</CODE> ¤ò¥¿¥¤¥×¤·¤Þ¤¹¡£ -</P> - -<H4><A NAME="4.20">4.20</A>) ¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥È¤ÎÁàºî¤Ç<I>invalid large obj descriptor</I> ¤ò¼õ¤±¼è¤ê¤Þ¤·¤¿¡£¤Ê¤¼¤Ç¤·¤ç¤¦¤«¡© -</H4> - -<P>¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥ÈÁàºî¤ò¤¹¤ë¤È¤¤Ï¡¢Á°¸å¤Ë<tt>BEGIN WORK</tt>¤È<tt>COMMIT</tt>¤òÉÕ¤±¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¤¹¤Ê¤ï¤Á¡¢<tt>lo_open</tt> ... <tt>lo_close</tt>¤ò¤Ï¤µ¤ß¹þ¤ß¤Þ¤¹¡£ -</P> - -<P>¸½ºß¤Ï¡¢PostgreSQL¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Î¥³¥ß¥Ã¥È»þ¤Ë¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥È¡¦¥Ï¥ó¥É¥ë¤òÊĤ¸¤ë¤³¤È¤Ë¤è¤ê¡¢<I>lo_open</I>¥³¥Þ¥ó¥É¤¬´°Î»¤·¤¿Ä¾¸å¤Ë¶¯À©Åª¤Ë¥ë¡¼¥ë¤ò¼Â¹Ô¤·¤Þ¤¹¡£¤³¤Î¤¿¤á¡¢ºÇ½é¤Ë¥Ï¥ó¥É¥ë¤ËÂФ·¤Æ²¿¤«¤ò¤·¤è¤¦¤È¤¹¤ë¤È¡¢<I>invalid large obj descriptor(¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥È¤Îµ½Ò»Ò¤¬ÉÔÀµ)</I>¤È¤Ê¤ê¤Þ¤¹¡£¤½¤ì¤Ç¡¢¤â¤·¡¢¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤ò»È¤¦¤Î¤ò˺¤ì¤ë¤È¡¢¡Ê¾¯¤Ê¤¯¤È¤â¤Û¤È¤ó¤É¤Î»þ´Ö¡ËƯ¤¤¤Æ¤¤¤¿¥³¡¼¥É¤¬¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò½Ð¤¹¤Î¤Ç¤¹¡£ -</P> - -<P>¤â¤·¡¢<SMALL>ODBC</SMALL>¤Î¤è¤¦¤Ê¥¯¥é¥¤¥¢¥ó¥È¥¤¥ó¥¿¡¼¥Õ¥§¥¤¥¹¤ò¤ª»È¤¤¤Ê¤é¡¢<tt>auto-commit off</tt>¤òÀßÄꤹ¤ëɬÍפ¬¤¢¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£ -</P> - - -<H4><A NAME="4.21">4.21</A>) ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤Ê¥«¥é¥à¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡©<BR></H4> - -<P><i>CURRENT_TIMESTAMP</i>¤ò»È¤¤¤Þ¤¹: -</P> -<PRE> - CREATE TABLE test (x int, modtime timestamp DEFAULT CURRENT_TIMESTAMP ); -</PRE> - -<H4><A NAME="4.22">4.22</A>) ¤Ê¤¼¡¢<SMALL>IN</SMALL>¤ò»È¤¦ÉûÌ䤤¹ç¤ï¤»¤¬¤È¤Æ¤âÃÙ¤¤¤Î¤Ç¤¹¤«¡© -</H4> -<P> - 7.4 ¤è¤êÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢ÉûÌ䤤¹ç¤ï¤»¤Ï¡¢ÉûÌ䤤¹ç¤ï¤»¤Î·ë²Ì¤ò³°ÉôÌ䤤¹ç¤ï¤»¤Î³Æ¥í¥¦¤Ë¤Ä¤¤¤Æ½ç¼¡Áöºº¤¹¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢³°Éô¤ÎÌ䤤¹ç¤ï¤»¤Ë·ë¹ç¤µ¤»¤é¤ì¤ë¡£ -ÉûÌ䤤¹ç¤ï¤»¤¬¤ï¤º¤«¤Ê¥í¥¦¤·¤«ÊÖ¤µ¤º¡¢³°ÉôÌ䤤¹ç¤ï¤»¤¬Âô»³¤Î¥í¥¦¤òÊÖ¤¹¾ì¹ç¤Ï¡¢<CODE><SMALL>IN</SMALL></CODE>¤¬ºÇ¤âÁᤤ¤Ç¤¹¡£Â¾¤ÎÌ䤤¹ç¤ï¤»¤ò¹â®²½¤¹¤ë¤Ë¤Ï¡¢<CODE>IN</CODE>¤ò<CODE>EXISTS</CODE>¤ËÃÖ´¹¤·¤Þ¤¹: -</P> - -<PRE> - SELECT * - FROM tab - WHERE col IN (SELECT subcol FROM subtab) -</PRE> -<P> -¤ò¡¢ÃÖ¤´¹¤¨¤Æ¡§ -</P> -<PRE> - SELECT * - FROM tab - WHERE EXISTS (SELECT subcol FROM subtab WHERE subcol = col) -</PRE> -<P> -¤È¤·¤Þ¤¹¡£ -¤³¤ì¤¬¼ê¤Ã¼è¤êÁᤤ¤Ç¤¹¤¬¡¢<CODE>subcol</CODE>¤Ïº÷°úÉÕ¤¥«¥é¥à¤Ç¤¢¤ë¤Ù¤¤Ç¤¹¡£ -</P> -<P>¥Ð¡¼¥¸¥ç¥ó7.4°Ê¹ß¤Ç¤Ï¡¢<CODE>IN</CODE>¤Ï¡¢Ä̾ï¤ÎÌ䤤¹ç¤ï¤»¤ÈƱÍͤÎÀöÎý¤µ¤ì¤¿¥¸¥ç¥¤¥ó¤Îµ»½Ñ¤ò¼ÂºÝ¤Ë»È¤¤¡¢<CODE>EXISTS</CODE>¤ò»È¤¦¤³¤È¤ò¹¥¤ß¤Þ¤¹¡£ -</P> - - - -<H4><A NAME="4.23">4.23</A>) <i>³°Éô</i>·ë¹ç(<i>outer</i> join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«?<BR></H4> -<P> -PostgreSQL ¤Ï SQL ɸ½à¹½Ê¸¤ò»È¤¦³°Éô·ë¹ç(¥¢¥¦¥¿¡¼¥¸¥ç¥¤¥ó)¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¤³¤³¤Ë 2¤Ä¤ÎÎãÂ꤬¤¢¤ê¤Þ¤¹¡£ -</P> - -<PRE> - SELECT * - FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col); -</PRE> -<P> + FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col); +</pre> ¤¢¤ë¤¤¤Ï -</P> -<PRE> - SELECT * - FROM t1 LEFT OUTER JOIN t2 USING (col); -</PRE> -<P> -¤³¤ì¤é¤Î¾ÝħŪ¤ÊÌ䤤¹ç¤ï¤»¤Ç¤Ï t1.col ¤ò t2.col ¤È·ë¹ç¤·¤Æ¡¢t1 ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦(t2 ¤È°ìÃפ·¤Ê¤«¤Ã¤¿¥í¥¦)¤âÊÖ¤·¤Æ¤¤¤Þ¤¹¡£<SMALL>RIGHT</SMALL> ·ë¹ç¤Ï t2 ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦¤ò²Ã¤¨¤ë¤Ç¤·¤ç¤¦¡£<SMALL>FULL</SMALL> ·ë¹ç¤Ï¡¢°ìÃפ·¤¿¥í¥¦¤Ë t1 ¤È t2 ¤«¤é¤Ï·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦¤òÊÖ¤¹¤Ç¤·¤ç¤¦¡£<SMALL>OUTER</SMALL> ¤È¤¤¤¦¸ÀÍդϥª¥×¥·¥ç¥ó¤Ç <SMALL>LEFT</SMALL>, <SMALL>RIGHT</SMALL>, ¤Þ¤¿¤Ï <SMALL>FULL</SMALL> ¤Ê¤É¤Î·ë¹ç¤ò²¾Äꤵ¤ì¤Æ¤¤¤Þ¤¹¡£Ä̾·ë¹ç¤Ï<SMALL>INNER</SMALL>·ë¹ç¤È¸Æ¤Ð¤ì¤Þ¤¹¡£ -</P> -<P> -°ÊÁ°¤Î¥ê¥ê¡¼¥¹¤Ç¤Ï³°Éô·ë¹ç(outer join)¤ò<SMALL>UNION</SMALL> ¤È <SMALL>NOT IN</SMALL> ¤ò»È¤Ã¤Æ¥·¥ß¥å¥ì¡¼¥È¤Ç¤¤Þ¤¹¡£ -¤¿¤È¤¨¤Ð¡¢<i>tab1</i> ¤È <i>tab2</i> ¤ò·ë¹ç¤¹¤ë¤È¤¤Ï¡¢¼¡¤ÎÌ䤤¹ç¤ï¤»¤ÇÆó¤Ä¤Î¥Æ¡¼¥Ö¥ë¤ò<i>³°Éô</i>·ë¹ç¤·¤Þ¤¹¡£ -</P> -<PRE> - SELECT tab1.col1, tab2.col2 - FROM tab1, tab2 - WHERE tab1.col1 = tab2.col1 - UNION ALL - SELECT tab1.col1, NULL - FROM tab1 - WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2) - ORDER BY col1 -</PRE> - -<H4><A NAME="4.24">4.24</A>) Ê£¿ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò»È¤¦Ì䤤¹ç¤ï¤»¤Ï¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤Ç¤¤Þ¤¹¤«¡©<BR></H4> - -<P> -¸½¹Ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹°Ê³°¤Ø¤ÎÌ䤤¹ç¤ï¤»ÊýË¡¤Ï¤¢¤ê¤Þ¤»¤ó¡£¤È¤¤¤¦¤Î¤âPostgreSQL¤¬¥Ç¡¼¥¿¥Ù¡¼¥¹»ÅÍͤΥ·¥¹¥Æ¥à¥«¥¿¥í¥°¤òÆÉ¤ß¹þ¤à¤¿¤á¤Ç¡¢¤½¤³¤Ë¤Ï¡¢¤¿¤È¤¨¤½¤Î¤Õ¤ê¤ò¤¹¤ë¤À¤±¤Ë¤·¤í¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò±Û¤¨¤ÆÌ䤤¹ç¤ï¤»¤ò¤¹¤ë¤¹¤Ù¤¬¤¢¤ê¤Þ¤»¤ó¡£ -</P><P> -<I>contrib/dblink</I> ¤Ï¥Ç¡¼¥¿¥Ù¡¼¥¹´Ö(cross-database)¤ÎÌ䤤¹ç¤ï¤»¤ò´Ø¿ô¸Æ½Ð¤·¤Ë¤è¤êµö¤·¤Þ¤¹¡£¤â¤Á¤í¤ó¡¢¥¯¥é¥¤¥¢¥ó¥È¤ÏƱ»þ¤ËÀܳ¤òÊ̤Υǡ¼¥¿¥Ù¡¼¥¹¤Ø¤âÄ¥¤é¤Ê¤¯¤Æ¤Ï¤Ê¤é¤º¡¢·ë²Ì¤ò¥¯¥é¥¤¥¢¥ó¥È¦¤Ç¥Þ¡¼¥¸¤·¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£</P> - - -<H4><A NAME="4.25">4.25</A>) ´Ø¿ô¤ÇÊ£¿ô¤Î¥í¥¦¤Þ¤¿¤Ï¥«¥é¥à¤òÊÖ¤¹¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©<BR></H4> - -<P>7.3¤Ç¤Ï´Ø¿ô¤«¤é¡¢Ê£¿ô¤Î¥í¥¦¤äÊ£¿ô¥«¥é¥à¤ò´Êñ¤ËÊÖ¤»¤Þ¤¹¡£ -<a href="http://techdocs.postgresql.org/guides/SetReturningFunctions">http://techdocs.postgresql.org/guides/SetReturningFunctions</a>¡£ -</P> - -<H4><A name="4.26">4.26</A>)¤Ê¤¼¡¢PL/PgSQL ´Ø¿ô¤ÎÃæ¤«¤é°ì»þ¥Æ¡¼¥Ö¥ë¤ò³Î¼Â¤Ë create/drop ¤¹¤ë¤³¤È¤¬¤Ç¤¤Ê¤¤¤Î¤Ç¤·¤ç¤¦¤«¡©</H4> -<P> -PL/PgSQL ¤Ï´Ø¿ô¤ÎÆâÍÆ¤ò¥¥ã¥Ã¥·¥å¤·¡¢¤½¤ÎÉÔ¹¬¤ÊÉûºîÍѤΤ¿¤á¡¢¤â¤· PL/PgSQL ´Ø¿ô¤¬°ì»þ¥Æ¡¼¥Ö¥ë¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È¡¢¤½¤Î¥Æ¡¼¥Ö¥ë¤Ï¤¢¤È¤Ç¥É¥í¥Ã¥×¤µ¤ìºÆºîÀ®¤µ¤ì¤Þ¤¹¤¬¡¢´Ø¿ô¤¬ºÆ¤Ó¸Æ¤Ó½Ð¤µ¤ì¤ë¤È¡¢¥¥ã¥Ã¥·¥å¤µ¤ì¤Æ¤¤¤ë¤½¤Î´Ø¿ô¤ÎÆâÍÆ¤Ï¤Þ¤À¸Å¤¤°ì»þ¥Æ¡¼¥Ö¥ë¤ò°ÍÁ³¤È¤·¤Æ»Ø¤·¤Æ¤¤¤ë¤«¤é¤Ç¤¹¡£²ò·èºö¤Ï¡¢ PL/PgSQL ¤ÎÃæ¤Ç <SMALL>EXECUTE</SMALL> ¤ò°ì»þ¥Æ¡¼¥Ö¥ë¥¢¥¯¥»¥¹¤Î¤¿¤á¤Ë»È¤¦¤³¤È¤Ç¤¹¡£¤³¤ì¤Ç¡¢Ëè²óÌ䤤¹ç¤ï¤»¤ò¥Ñ¡¼¥¹¤·Ä¾¤¹¤³¤È¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£</P> - - -<H4><A name="4.27">4.27</A>) ¤É¤Î¤è¤¦¤Ê°Å¹æ²½¥ª¥×¥·¥ç¥ó¤òÍøÍѤǤ¤Þ¤¹¤«? -</H4> -<UL> -<LI><I>contrib/pgcrypto</I>¤Ë¤Ï<SMALL>SQL</SMALL>Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç»È¤¦¤¿¤á¤ÎÂô»³¤Î°Å¹æ²½¤ò´Þ¤ß¤Þ¤¹¡£ -</LI> -<LI>¥¯¥é¥¤¥¢¥ó¥È¤È¥µ¡¼¥Ð¤È¤Î´Ö¤ÎÅÁÁ÷¤ò°Å¹æ²½¤¹¤ë¤Ë¤Ï¡¢¥µ¡¼¥Ð¤Ç¤Ï<I>postgresql.conf</I>¤Î<I>ssl</I>¥ª¥×¥·¥ç¥ó¤ò<I>true</I> ¤ËÀßÄꤷ¡¢<I>pg_hba.conf</I>¤Ë¤ÏŬÍѤ¹¤ë<I>host</I>¤¢¤ë¤¤¤Ï<I>hostssl</I>¤Î¹Ô¤¬¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤½¤·¤Æ¡¢¥¯¥é¥¤¥¢¥ó¥È¤Ç¤Ï<I>sslmode</I>¤ò<I>disable</I>¤Ë¤·¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£ -(PostgreSQL½ãÀµ¤ÎSSLÀܳ¤Î¤«¤ï¤ê¤Ë¡¢stunnel ¤ä ssh ¥µ¡¼¥É¥Ñ¡¼¥Æ¥£À½¤Î°Å¹æ²½Å¾Á÷¤ò»È¤¦¤³¤È¤â²Äǽ¤Ç¤¢¤ë¤³¤È¤âµ¤·¤Æ¤ª¤¤Þ¤¹¡£) -</LI> -<LI>¥Ð¡¼¥¸¥ç¥ó7.3 ¤Ç¤Ï¥Ç¡¼¥¿¥Ù¡¼¥¹¥æ¡¼¥¶¤Î¥Ñ¥¹¥ï¡¼¥É¤ÏÊݸ¤µ¤ì¤ë»þ¤Ë¼«Æ°Åª¤Ë°Å¹æ²½¤µ¤ì¤Þ¤¹¡£ ¤½¤ì¤è¤êÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï<I>postgresql.conf</I>Ãæ¤Ç<I>PASSWORD_ENCRYPTION</I>¤ò͸ú¤Ë¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ -</LI> - -<LI>¥µ¡¼¥Ð¡¼¤òÁö¤é¤»¤ë¤Î¤Ë°Å¹æ²½¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò»È¤¦¤³¤È¤â¤Ç¤¤Þ¤¹¡£</LI> -</UL> - - <pre> -[ÌõÃí - ¥ì¥×¥ê¥±¡¼¥·¥ç¥ó´ØÏ¢¤Î¹àÌܤ¬¤Ê¤¯¤Ê¤ê¤Þ¤·¤¿¤¬¡¢ÌõÃí¤Î¤ß»Ä¤·¤Æ¤¢¤ê¤Þ¤¹¡£ + SELECT * + FROM t1 LEFT OUTER JOIN t2 USING (col); +</pre> - Jan Wieck¤µ¤ó¤Ë¤è¤ë¥«¥¹¥±¡¼¥É²Äǽ¤Ê¥Þ¥¹¥¿¡¼¡¦¥¹¥ì¡¼¥Ö·¿¤Î¥ì¥×¥ê¥±¡¼¥·¥ç¥ó Slony-I - http://gborg.postgresql.org/project/slony1/projdisplay.php +¤³¤ì¤é¤Î¾ÝħŪ¤Ê¥¯¥¨¥ê¤Ç¤Ï t1.col ¤ò t2.col ¤È·ë¹ç¤·¤Æ¡¢t1 ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦(t2 ¤È°ìÃפ·¤Ê¤«¤Ã¤¿¥í¥¦)¤âÊÖ¤·¤Æ¤¤¤Þ¤¹¡£<small>RIGHT</small> ·ë¹ç¤Ï t2 ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦¤ò²Ã¤¨¤ë¤Ç¤·¤ç¤¦¡£<small>FULL</small> ·ë¹ç¤Ï¡¢°ìÃפ·¤¿¥í¥¦¤Ë t1 ¤È t2 ¤«¤é¤Ï·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¥í¥¦¤òÊÖ¤¹¤Ç¤·¤ç¤¦¡£<small>OUTER</small> ¤È¤¤¤¦¸ÀÍդϥª¥×¥·¥ç¥ó¤Ç <small>LEFT</small>, <small>RIGHT</small>, ¤Þ¤¿¤Ï <small>FULL</small> ¤Ê¤É¤Î·ë¹ç¤ò²¾Äꤵ¤ì¤Æ¤¤¤Þ¤¹¡£Ä̾·ë¹ç¤Ï<small>INNER</small>·ë¹ç¤È¸Æ¤Ð¤ì¤Þ¤¹¡£ - ÀаæÃ£Éפµ¤ó¤Ë¤è¤ë¥³¥Í¥¯¥·¥ç¥ó¥×¡¼¥ë ¥µ¡¼¥Ð PGPool - http://www2b.biglobe.ne.jp/~caco/pgpool/ - »°Ã«ÆÆ¤µ¤ó¤Ë¤è¤ë¥Þ¥ë¥Á¥Þ¥¹¥¿Êý¼°¤ÎƱ´ü¥ì¥×¥ê¥±¡¼¥·¥ç¥ó PGCluster - http://www.csra.co.jp/~mitani/jpug/pgcluster/index.html +<h4><a name="4.17">4.17</a>) Ê£¿ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò»È¤¦Ì䤤¹ç¤ï¤»¤Ï¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð¤Ç¤¤Þ¤¹¤«¡©</h4> - JPUG ʬ»¶¥È¥é¥ó¥¶¥¯¥·¥ç¥ó³«È¯Ê¬²Ê²ñ¤Ç¤Ï¡¢±Ê°Â¸ç»Ë¤µ¤ó¤¬£²Áꥳ¥ß¥Ã¥È - ¤Î¼ÂÁõ¤ò¹Ô¤¤¤Þ¤·¤¿¡£ - http://www.postgresql.jp/wg/dt/index.html -] -</pre> + <p>¸½¹Ô¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹°Ê³°¤Ø¤ÎÌ䤤¹ç¤ï¤»¤ÎÊýË¡¤Ï¤¢¤ê¤Þ¤»¤ó¡£¤È¤¤¤¦¤Î + ¤âPostgreSQL¤¬¥Ç¡¼¥¿¥Ù¡¼¥¹»ÅÍͤΥ·¥¹¥Æ¥à¥«¥¿¥í¥°¤òÆÉ¤ß¹þ¤à¤¿¤á¤Ç¡¢¤½ + ¤³¤Ë¤Ï¡¢¤¿¤È¤¨¤½¤Î¤Õ¤ê¤ò¤¹¤ë¤À¤±¤Ë¤·¤í¡¢¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò±Û¤¨¤ÆÌ䤤¹ç¤ï + ¤»¤ò¤¹¤ë¤¹¤Ù¤¬¤¢¤ê¤Þ¤»¤ó¡£ </p> + <p><i>contrib/dblink</i> ¤Ï¥Ç¡¼¥¿¥Ù¡¼¥¹´Ö(cross-database)¤ÎÌ䤤¹ç¤ï + ¤»¤ò´Ø¿ô¸Æ½Ð¤·¤Ë¤è¤êµö¤·¤Þ¤¹¡£¤â¤Á¤í¤ó¡¢¥¯¥é¥¤¥¢¥ó¥È¤ÏƱ»þ¤ËÀܳ¤òÊÌ + ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ø¤âÄ¥¤é¤Ê¤¯¤Æ¤Ï¤Ê¤é¤º¡¢·ë²Ì¤ò¥¯¥é¥¤¥¢¥ó¥È¦¤Ç¥Þ¡¼¥¸¤· + ¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£</p> -<HR> -<H2 align="center">PostgreSQL¤Î³ÈÄ¥¤Ë¤Ä¤¤¤Æ¤Î¼ÁÌä</H2> -<H4><A NAME="5.1">5.1</A>) ¼«Ê¬¤Ç½ñ¤¤¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò psql ¤ÎÃæ¤Ç¼Â¹Ô¤¹¤ë¤È¥³¥¢¡¦¥À¥ó¥×¤·¤Æ¤·¤Þ¤¦¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© -</H4> +<h4><a name="4.18">4.18</a>) ´Ø¿ô¤«¤éÊ£¿ô¤Î¥í¥¦¤Þ¤¿¤Ï¥«¥é¥à¤òÊÖ¤¹¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©</h4> -<P> ÌäÂê¤Ï¿§¡¹¤È¹Í¤¨¤é¤ì¤Þ¤¹¤¬¡¢¤Þ¤ººÇ½é¤Ë¡¢ºîÀ®¤·¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤òñÆÈ¤Î¥Æ¥¹¥È¥×¥í¥°¥é¥à¤Ë¤·¤Æ»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£ -</P> + <p>½¸¹ç¤òÊÖ¤¹´Ø¿ô(Set Returning Functions): + <a href="http://techdocs.postgresql.org/guides/SetReturningFunctions"> + http://techdocs.postgresql.org/guides/SetReturningFunctions</a> + ¤ò»È¤¦¤È´Êñ¤Ç¤¹</p>¡£ -<H4><A NAME="5.2">5.2</A>) PostgreSQL ÍѤ˽ñ¤¤¤¿¤Á¤ç¤Ã¤ÈÁÇŨ¤Ê¿·¤·¤¤·¿¤ä´Ø¿ô¤òÄ󶡤·¤Æ¥×¥í¥¸¥§¥¯¥È¤Ë¹×¸¥¤·¤¿¤¤¤Î¤Ç¤¹¤¬¡© -</H4> -<P> ³§¤µ¤ó¤Î¹Ô¤Ê¤Ã¤¿³ÈÄ¥¤ò¡¢<I>pgsql-hackers</I> ¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤ËÁ÷¤Ã¤Æ¤¯¤À¤µ¤¤¡£¤½¤·¤Æ¡¢¤æ¤¯¤æ¤¯¤Ï¤½¤¦¤·¤¿³ÈÄ¥¤¬ <I>contrib/</I> ¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¤ËÆþ¤ë¤³¤È¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£ -</P> +<h4><a name="4.19">4.19</a>) PL/PgSQL ¤Î´Ø¿ô¤ÎÃæ¤Ç°ì»þ¥Æ¡¼¥Ö¥ë¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È¤¡¢¤É¤¦¤·¤Æ "relation with OID ##### does not exist" ¤È¤¤¤¦¥¨¥é¡¼¤ò¼õ¤±¼è¤ë¤Î¤Ç¤·¤ç¤¦¤«¡©</h4> -<H4><A NAME="5.3">5.3</A>) ¥¿¥×¥ë¤òÊÖ¤¹ C¸À¸ì¤Î´Ø¿ô¤Ï¤É¤Î¤è¤¦¤Ë½ñ¤¤Þ¤¹¤«¡© -</H4> + <p>PL/PgSQL ¤Ï´Ø¿ô¥¹¥¯¥ê¥×¥È¤ò¥¥ã¥Ã¥·¥å¤·¡¢ÉÔ¹¬¤Ë¤â¤½¤ÎÉûºîÍѤǡ¢ + PL/PgSQL´Ø¿ô¤¬°ì»þ¥Æ¡¼¥Ö¥ë¤Ë¥¢¥¯¥»¥¹¤¹¤ë¾ì¹ç¡¢¸å¤Ç¤½¤Î¥Æ¡¼¥Ö¥ë¤ò¾Ã¤· + ¤Æºî¤ê¤Ê¤ª¤µ¤ì¡¢´Ø¿ô¤¬¤â¤¦°ìÅٸƤӽФµ¤ì¤ë¤È¡¢¤½¤Î´Ø¿ô¤Ï¥¥ã¥Ã¥·¥å¤· + ¤Æ¤¤¤ë´Ø¿ô¤ÎÆâÍÆ¤Ï¤Þ¤À¸Å¤¤°ì»þ¥Æ¡¼¥Ö¥ë¤òº¹¤·¼¨¤·¤¿¤Þ¤Þ¤À¤«¤é¤Ç¤¹¡£ + ¤³¤Î¡¢²ò·èºö¤È¤·¤Æ¡¢PL/PgSQL¤ÎÃæ¤Ç <small>EXECUTE</small> ¤ò°ì»þ¥Æ¡¼ + ¥Ö¥ë¤Ø¤Î¥¢¥¯¥»¥¹¤Î¤¿¤á¤Ë»È¤¤¤Þ¤¹¡£¤½¤¦¤¹¤ë¤È¡¢¥¯¥¨¥ê¤ÏËè²ó¥Ñ¡¼¥¹¤ò¤ä + ¤êľ¤·¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£</p> -<P>¥Ð¡¼¥¸¥ç¥ó7.3°Ê¹ß¤ÎPostgreSQL¤Ç¤Ï¡¢¥Æ¡¼¥Ö¥ë¤òÊÖ¤¹´Ø¿ô¤ò C, PL/PgSQL¡¢¤½¤·¤Æ SQL ¤Ë¤Æ´°Á´¤Ë¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¾Ü¤·¤¯¤Ï¥×¥í¥°¥é¥Þ¥¬¥¤¥É¤Î¾ðÊó¤ò¸«¤Æ¤¯¤À¤µ¤¤¡£C¤ÇÄêµÁ¤µ¤ì¤¿É½¤òÊÖ¤¹´Ø¿ô¤ÎÎãÂ꤬<I>contrib/tablefunc</I>¤ÎÃæ¤Ë¤¢¤ê¤Þ¤¹¡£ -</P> +<h4><a name="4.20">4.20</a>) ¤É¤Î¤è¤¦¤Ê¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤Î¥½¥ê¥å¡¼¥·¥ç¥ó¤¬¤¢¤ê¤Þ¤¹¤«¡©</h4> + <p>¡Ö¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¡×¤È°ì¸À¤Ç¸À¤¤¤Þ¤¹¤¹¤¬¡¢¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤ò¤¹¤ë + ¤¿¤á¤Îµ»½Ñ¤Ï¤¤¤¯¤Ä¤«¤¢¤ê¡¢¤½¤ì¤¾¤ì¡¢ÍøÅÀ¤È·çÅÀ¤¬¤¢¤ê¤Þ¤¹¡£</p> -<H4><A NAME="5.4">5.4</A>) ¥½¡¼¥¹¡¦¥Õ¥¡¥¤¥ë¤òÊѹ¹¤·¤Þ¤·¤¿¡£ºÆ¥³¥ó¥Ñ¥¤¥ë¤·¤Æ¤âÊѲ½¤¬¸«¤é¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© -</H4> + <p>¥Þ¥¹¥¿¡¿¥¹¥ì¡¼¥Ö¤Î¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤Ï¡¢ÆÉ¤ß¡¿½ñ¤¤Î¥¯¥¨¥ê¤ò¼õ¤±¼è + ¤ë¥·¥ó¥°¥ë¥Þ¥¹¥¿¤¬²Äǽ¤Ç¡¢¥¹¥ì¡¼¥Ö¤Ç¤Ï ÆÉ¤ß¡¿<small>SELECT</small>¤Î + Ì䤤¹ç¤ï¤»¤À¤±¤ò¼õ¤±ÉÕ¤±¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ºÇ¤â¿Íµ¤¤¬¤¢¤ë¡¢¥Õ¥ê¡¼¤ÇÍø + ÍѤǤ¤ë¡¢¥Þ¥¹¥¿¡Ý¥¹¥ì¡¼¥Ö¤ÎPosrgreSQL¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¥½¥ê¥å¡¼¥·¥ç¥ó + ¤Ï¡¢<a + href="http://gborg.postgresql.org/project/slony1/projdisplay.php"> + Slony-I</a> ¤Ç¤¹¡£</p> -<P> ¤¤¤¯¤Ä¤«¤Î <I>Makefile</I> ¤¬¥¤¥ó¥¯¥ë¡¼¥É¡¦¥Õ¥¡¥¤¥ë¤ËÂФ·¤ÆÅ¬Àڤʰ͸´Ø·¸¤ò»ý¤Ã¤Æ¤¤¤Þ¤»¤ó¡£<I>make clean</I> ¤ò¤·¤Æ¤«¤é¤â¤¦°ìÅÙ <I>make</I> ¤ò¹Ô¤Ê¤ï¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤â¤·¡¢<SMALL>GCC</SMALL> ¤ò¤ª»È¤¤¤Ç¤¢¤ì¤Ð <i>configure</i> ¤Î <i>--enable-depend</i> ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¡¢¥³¥ó¥Ñ¥¤¥é¤Ë°Í¸´Ø·¸¤ò¼«Æ°Åª¤ËÄ´¤Ù¤µ¤»¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£ -</P> + <p>¥Þ¥ë¥Á¡Ý¥Þ¥¹¥¿¤Î¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¤Ï¡¢ÆÉ¤ß¡¿½ñ¤¤Î¥¯¥¨¥ê¤ò¼õ¤±¤È + ¤ê¡¢Ê£¿ô¤Î¥ì¥×¥ê¥±¡¼¥È¤µ¤»¤ë¥³¥ó¥Ô¥å¡¼¥¿¤ËÁ÷¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤³¤Îµ¡ + ǽ¤Ï¡¢¥µ¡¼¥Ð´Ö¤ÎÊѹ¹¤ÎƱ´ü¤¬É¬Íפʤ¿¤á¡¢Àǽ¤Ë½ÅÂç¤Ê¾×·â¤òÍ¿¤¨¤Þ¤¹¡£ + <a href="http://pgfoundry.org/projects/pgcluster/">Pgcluster</a> ¤Ï¡¢ + ¤³¤Î¤è¤¦¤Ê¥½¥ê¥å¡¼¥·¥ç¥ó¤È¤·¤ÆPosrgreSQL¤Î¤¿¤á¤Ë¥Õ¥ê¡¼¤ÇÍøÍѤǤ¤ë¤â + ¤Î¤È¤·¤Æ¡¢ºÇ¤â¿Íµ¤¤¬¤¢¤ê¤Þ¤¹¡£</p> -<HR> -<PRE> + <p>¤³¤Î¾¤Ë¤â¡¢¾¦ÍѤä¥Ï¡¼¥É¥¦¥§¥¢¡Ý¥Ù¡¼¥¹¤Î¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¥½¥ê¥å¡¼ + ¥·¥ç¥ó¤¬¤¤¤í¤¤¤í¤Ê¥ì¥×¥ê¥±¡¼¥·¥ç¥ó¥â¥Ç¥ë¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£</p> + +<hr /> +<small><pre> [ÌõÃí¡§ ÆüËܸìÈǤÎÀ½ºî¤Ë¤Ä¤¤¤Æ¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¹¡£ - ºÇ½ª¹¹¿·Æü: 2005ǯ01·î12Æü - ËÝÌõ¼Ô: ·¬Â¼ ½á (<A HREF="mailto:juk at PostgreSQL.jp">Jun Kuwamura <juk at PostgreSQL.jp></A>) + ºÇ½ª¹¹¿·Æü: 2005ǯ05·î18Æü + ËÝÌõ¼Ô: ·¬Â¼ ½á (<a href="mailto:juk at PostgreSQL.jp">Jun Kuwamura <juk at PostgreSQL.jp></a>) ¤³¤ÎFAQ¤ÎÏÂÌõ¤ÎºîÀ®¤Ë¤¢¤¿¤ê¶¨ÎϤò¤·¤Æ¤¯¤À¤µ¤Ã¤¿Êý¡¹(·É¾Î¤Ïά¤µ¤»¤Æ¤¤¤¿¤À¤¤Þ¤¹): - ÅÄÃç Ì(<A HREF="mailto:Tanaka.Minoru at keiken.co.jp">Minoru TANAKA <Tanaka.Minoru at keiken.co.jp></A>) - Àаæ ãÉ×(<A HREF="mailto:t-ishii at sra.co.jp">Tatsuo ISHII <t-ishii at sra.co.jp></A>) - óîÆ£ ÃοÍ(<A HREF="mailto:tomos at elelab.nsc.co.jp">Tomohito SAITOH <tomos at elelab.nsc.co.jp></A>) - ÇϾì È¥(<A HREF="mailto:baba at kusastro.kyoto-u.ac.jp">Hajime BABA <baba at kusastro.kyoto-u.ac.jp></A>) - ²¬ËÜ °ì¹¬(<A HREF="mailto:kokamoto at itg.hitachi.co.jp">Kazuyuki OKAMOTO <kokamoto at itg.hitachi.co.jp></A>) - ¾®¿û ¾¼°ì(<A HREF="mailto:s-kosuge at str.hitachi.co.jp">Shoichi Kosuge <s-kosuge at str.hitachi.co.jp></A>) - »³²¼ µÁÇ·(<A HREF="mailto:dica at eurus.dti.ne.jp">Yoshiyuki YAMASHITA <dica at eurus.dti.ne.jp></A>) - ¶ ¿¿ÂÀϺ(<A HREF="mailto:s_sakai at mxn.mesh.ne.jp">Sintaro SAKAI <s_sakai at mxn.mesh.ne.jp></A>) - À¸±Û ¾»¸Ê(<A HREF="mailto:ogochan at zetabits.com">Masami OGOSHI <ogochan at zetabits.com></A>) - ÀÐÀî ½Ó¹Ô(<A HREF="mailto:tosiyuki at gol.com">Toshiyuki ISHIKAWA <tosiyuki at gol.com></A>) - ËÜÅÄ Ìй(<A HREF="mailto:fwif0083 at mb.infoweb.ne.jp">Shigehiro HONDA <fwif0083 at mb.infoweb.ne.jp></A>) - ¤»¤» ¤¸¤å¤ó(<A HREF="mailto:sesejun at linet.gr.jp">Jun SESE <sesejun at linet.gr.jp></A>) - ¿Àë ±Ñ¹§(<A HREF="mailto:hkamiya at catvmics.ne.jp">Hidetaka KAMIYA <hkamiya at catvmics.ne.jp></A>) - ¿û¸¶ ÆØ(<A HREF="mailto:asugawar at f3.dion.ne.jp">Atsushi SUGAWARA <asugawar at f3.dion.ne.jp></A>) - °ðÍÕ ¹áÍý(<A HREF="mailto:i-kaori at sra.co.jp">Kaori Inaba <i-kaori at sra.co.jp></A>) - Àаæ ãÉ×(<A HREF="mailto:t-ishii at sra.co.jp">Tatsuo Ishii <t-ishii at sra.co.jp></A>) - - ¤ò¤Ï¤¸¤á¡¢¥Ý¥¹¥È¥°¥ì¥¹¤Ë´Ø¤¹¤ëÏÃÂêËÉÙ¤Ê<A HREF="http://www.sra.co.jp/people/t-ishii/PostgreSQL/ML/info.html">ÆüËܸì¥Ý¥¹¥È¥°¥ì¥¹¡¦¥á¡¼¥ê¥ó¥°¥ê¥¹¥È</A>¡¢ -ÏÂÌõ¤Î¤¤Ã¤«¤±¤òºî¤Ã¤Æ¤¯¤ì¤¿ <A HREF="http://jf.linux.or.jp/">JF(Linux Japanese FAQ Mailing List)¥×¥í¥¸¥§¥¯¥È</A>¡¢FreeBSD ¥É¥¥å¥á¥ó¥Æ¡¼¥·¥ç¥ó¥×¥í¥¸¥§¥¯¥È¡¢ -¤½¤Î¾¡¢Ä¾Àܤ¢¤ë¤¤¤Ï´ÖÀÜŪ¤Ë¤«¤«¤ï¤Ã¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥ª¡¼¥×¥ó¥½¡¼¥¹¥³¥ß¥å¥Ë¥Æ¥£¡¼¤Î³§¤µ¤ó¤Ë´¶¼Õ¤·¤Þ¤¹¡£ - - ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï¡¢°Ê²¼¤«¤é¤â¤¿¤É¤ì¤Þ¤¹¡£ - <A HREF="http://www.rccm.co.jp/~juk/pgsql/">http://www.rccm.co.jp/~juk/pgsql/</A>(FAQÏÂÌõ PostgreSQL ¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä) - <A HREF="http://www.PostgreSQL.jp/wg/jpugdoc/">http://www.PostgreSQL.jp/wg/jpugdoc/</A>JPUGʸ½ñ¡¦½ñÀÒ´ØÏ¢Ê¬²Ê²ñ - <A HREF="http://www.linux.or.jp/JF/">http://www.linux.or.jp/JF/</A>Linux JF¥×¥í¥¸¥§¥¯¥È - - ¤Ê¤ª¡¢¤³¤ÎÏÂÌõ¤Ë´Ø¤¹¤ë¤´°Õ¸«¤Ï(<A HREF="mailto:juk at PostgreSQL.jp">juk at PostgreSQL.jp</A>)¤Þ¤Ç¤ª´ó¤»²¼¤µ¤¤¡£ + ÅÄÃç Ì(<a href="mailto:Tanaka.Minoru at keiken.co.jp">Minoru TANAKA <Tanaka.Minoru at keiken.co.jp></a>) + Àаæ ãÉ×(<a href="mailto:t-ishii at sra.co.jp">Tatsuo ISHII <t-ishii at sra.co.jp></a>) + óîÆ£ ÃοÍ(<a href="mailto:tomos at elelab.nsc.co.jp">Tomohito SAITOH <tomos at elelab.nsc.co.jp></a>) + ÇϾì È¥(<a href="mailto:baba at kusastro.kyoto-u.ac.jp">Hajime BABA <baba at kusastro.kyoto-u.ac.jp></a>) + ²¬ËÜ °ì¹¬(<a href="mailto:kokamoto at itg.hitachi.co.jp">Kazuyuki OKAMOTO <kokamoto at itg.hitachi.co.jp></a>) + ¾®¿û ¾¼°ì(<a href="mailto:s-kosuge at str.hitachi.co.jp">Shoichi Kosuge <s-kosuge at str.hitachi.co.jp></a>) + »³²¼ µÁÇ·(<a href="mailto:dica at eurus.dti.ne.jp">Yoshiyuki YAMASHITA <dica at eurus.dti.ne.jp></a>) + ¶ ¿¿ÂÀϺ(<a href="mailto:s_sakai at mxn.mesh.ne.jp">Sintaro SAKAI <s_sakai at mxn.mesh.ne.jp></a>) + À¸±Û ¾»¸Ê(<a href="mailto:ogochan at zetabits.com">Masami OGOSHI <ogochan at zetabits.com></a>) + ÀÐÀî ½Ó¹Ô(<a href="mailto:tosiyuki at gol.com">Toshiyuki ISHIKAWA <tosiyuki at gol.com></a>) + ËÜÅÄ Ìй(<a href="mailto:fwif0083 at mb.infoweb.ne.jp">Shigehiro HONDA <fwif0083 at mb.infoweb.ne.jp></a>) + ¤»¤» ¤¸¤å¤ó(<a href="mailto:sesejun at linet.gr.jp">Jun SESE <sesejun at linet.gr.jp></a>) + ¿Àë ±Ñ¹§(<a href="mailto:hkamiya at catvmics.ne.jp">Hidetaka KAMIYA <hkamiya at catvmics.ne.jp></a>) + ¿û¸¶ ÆØ(<a href="mailto:asugawar at f3.dion.ne.jp">Atsushi SUGAWARA <asugawar at f3.dion.ne.jp></a>) + °ðÍÕ ¹áÍý(<a href="mailto:i-kaori at sra.co.jp">Kaori Inaba <i-kaori at sra.co.jp></a>) + Àаæ ãÉ×(<a href="mailto:t-ishii at sra.co.jp">Tatsuo Ishii <t-ishii at sra.co.jp></a>) + + ¤ò¤Ï¤¸¤á¡¢¥Ý¥¹¥È¥°¥ì¥¹¤Ë´Ø¤¹¤ëÏÃÂêËÉÙ¤ÊÆüËܸì¥Ý¥¹¥È¥°¥ì¥¹¡¦¥á¡¼¥ê¥ó¥°¥ê + ¥¹¥È¡¢ ÏÂÌõ¤Î¤¤Ã¤«¤±¤òºî¤Ã¤Æ¤¯¤ì¤¿ <a + href="http://jf.linux.or.jp/">JF(Linux Japanese FAQ Mailing List)¥×¥í¥¸¥§ + ¥¯¥È</a>¡¢FreeBSD ¥É¥¥å¥á¥ó¥Æ¡¼¥·¥ç¥ó¥×¥í¥¸¥§¥¯¥È¡¢ ¤½¤Î¾¡¢Ä¾Àܤ¢¤ë¤¤ + ¤Ï´ÖÀÜŪ¤Ë¤«¤«¤ï¤Ã¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥ª¡¼¥×¥ó¥½¡¼¥¹¥³¥ß¥å¥Ë¥Æ¥£¡¼¤Î³§¤µ¤ó¤Ë + ´¶¼Õ¤·¤Þ¤¹¡£ + + ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï <a href="http://www.postgresql.org/docs/faq/">ËÜ²È "Frequently Asked Questions" </a> ¤Î¥Ú¡¼¥¸¤Ë "Japanese FAQ" ¤È¤¤¤¦¸«½Ð¤Ç¤¢¤ê¤Þ¤¹¡£ + ¤Þ¤¿¡¢ºÇ¿·ÈǤϰʲ¼¤Î¥µ¥¤¥È¤Ë¤¢¤ê¤Þ¤¹¡£ + <a href="http://www.PostgreSQL.jp/wg/jpugdoc/">http://www.PostgreSQL.jp/wg/jpugdoc/</a>JPUGʸ½ñ¡¦½ñÀÒ´ØÏ¢Ê¬²Ê²ñ + <a href="http://www.linux.or.jp/JF/">http://www.linux.or.jp/JF/</a>Linux JF¥×¥í¥¸¥§¥¯¥È + <a href="http://www.rccm.co.jp/~juk/pgsql/">http://www.rccm.co.jp/~juk/pgsql/</a>(FAQÏÂÌõ PostgreSQL ¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä) + + ¤Ê¤ª¡¢¤³¤ÎÏÂÌõ¤Ë´Ø¤¹¤ë¤´°Õ¸«¡¦¤´¼ÁÌä¤Ï(<a href="mailto:juk at PostgreSQL.jp">juk at PostgreSQL.jp</a>)¤Þ¤Ç¤ª´ó¤»¤¯¤À¤µ¤¤¡£ ] -</PRE> +</pre></small> +</p> + +</div> + </BODY> </HTML> |